Cock and ball torture (CBT) is a

sexual activity Human sexual activity, human sexual practice or human sexual behaviour is the manner in which humans experience and express their sexuality. People engage in a variety of sexual acts, ranging from activities done alone (e.g., masturbation) t ...

involving the application of pain or constriction to the male genitals. This may involve directly painful activities, such as

genital piercing Genital piercing is a form of body piercing that involves piercing a part of the genitalia, thus creating a suitable place for wearing different types of jewellery. Nevertheless, the term may also be used ''pars pro toto'' to indicate all body p ...

, wax play, genital spanking, squeezing, ball-busting, genital flogging, urethral play,

tickle torture Tickle torture is the prolonged use of tickling to Torture, abuse, Dominance and submission, dominate, Harassment, harass, Humiliation, humiliate, or Interrogation, interrogate an individual. While laughter is popularly thought of as a pleasure re ...

erotic electrostimulation Erotic electrostimulation (abbreviated erotic e-stim and also known as electrosex) is a human sexual practice, sexual practice involving the application of electricity, electrical stimulation to the nerves of the body, with particular emphasis o ...

, kneeing, or kicking. The recipient of such activities may receive direct physical pleasure via

masochism Sadism () and masochism (), known collectively as sadomasochism ( ) or S&M, is the derivation of pleasure from acts of respectively inflicting or receiving pain or humiliation. The term is named after the Marquis de Sade, a French author known ...

, emotional pleasure through

erotic humiliation Erotic humiliation or sexual humiliation is the act of performing consensual psychological humiliation, in order to produce erotic excitement or sexual arousal. This can be for the person(s) being humiliated and demeaned, the person(s) humil ...

, or knowledge that the play is pleasing to a sadistic dominant. Many of these practices carry significant health risks.

Devices and practices

Similar to many other sexual activities, CBT can be performed using toys and devices to make the penis and testicles more easily accessible for attack or

foreplay Foreplay is a set of emotionally and physically intimate acts between one or more people meant to create sexual arousal and desire for sexual activity. Although foreplay is typically understood as physical sexual activity, nonphysical activiti ...

purposes.

Ball stretcher

A ball stretcher is a

sex toy A sex toy is an object or device that is primarily used to facilitate sexual pleasure, such as a dildo, artificial vagina or vibrator. Many popular sex toys are designed to resemble human genitals, and may be vibrating or non-vibrating. The ...

that is used to elongate the

scrotum In most terrestrial mammals, the scrotum (: scrotums or scrota; possibly from Latin ''scortum'', meaning "hide" or "skin") or scrotal sac is a part of the external male genitalia located at the base of the penis. It consists of a sac of skin ...

and provide a feeling of weight pulling the

testicles A testicle or testis ( testes) is the gonad in all male bilaterians, including humans, and is homologous to the ovary in females. Its primary functions are the production of sperm and the secretion of androgens, primarily testosterone. The ...

away from the body. This can be particularly enjoyable for the wearer as it can make an orgasm more intense, as testicles are prevented from moving up. Intended to make one's testicles hang lower than normal (temporarily or, if used regularly for extended periods of time, permanently), this sex toy can be potentially harmful to the genitals as the circulation of blood can be easily cut off if over-tightened. Most ball stretchers are leather, rubber, or stainless steel. Leather ones usually are fastened with snaps, wrapping around the scrotum with the testicles hanging below. (See "Testicle Cuffs" below.) Rubber ones stretch enough for the testicles to pass through, and can be either a tube or a ring, where multiple rings can be added to create the desired length of "stretch". The length of a stretcher can range from . Steel stretchers often use weight in addition to, or instead of, a physically restricted tube, to hold the testicles away from the torso. Steel weights need to come apart in order to fasten them securely around the scrotum. The removable segment might be held in place by friction, magnets, a set screw, or cap screws, and can range in weight from 150 grams to 1200 g or more. A more dangerous type of ball stretcher can be home-made simply by wrapping rope or string around one's scrotum until it is eventually stretched to the desired length.

Ball crusher

A ball crusher is a device made from either metal or often clear acrylic that squeezes the testicles slowly by turning sets of nuts or screws. How tight it is clamped depends on the pain tolerance of the person it is used on. A ball crusher is often combined with bondage, either with a partner or by oneself, or with other types of torture or impact play.

Parachute

A parachute is a small

collar Collar may refer to: Human neckwear *Clerical collar (informally ''dog collar''), a distinctive collar used by the clergy of some Christian religious denominations *Collar (clothing), the part of a garment that fastens around or frames the neck ...

, usually made from leather, which fastens around the scrotum, and from which weights can be hung. It is

conical In geometry, a cone is a three-dimensional figure that tapers smoothly from a flat base (typically a circle) to a point not contained in the base, called the ''apex'' or '' vertex''. A cone is formed by a set of line segments, half-lines, ...

in shape, with three or four short chains hanging beneath, to which weights can be attached. Used as part of cock and ball torture within a BDSM relationship, the parachute provides a constant drag, and a squeezing effect on the testicles. Moderate weights of 3–5 kg can be suspended, especially during bondage, though occasionally much heavier weights are used. Smaller weights can be used when the participant wearing it is free to move; the swinging effect of the weight can restrict sudden movements, as well as providing a visual stimulus for the dominant partner.

Humbler

A humbler is a BDSM

physical restraint Physical restraint refers to means of limiting or obstructing the freedom of a person's or an animal's bodily movement. Basic methods Usually, binding objects such as handcuffs, legcuffs, ropes, chains, straps or straitjackets are u ...

device, a cock-and-ball bondage toy used to restrict the movement of a

submissive Deference (also called submission or passivity) is the condition of submitting to the espoused, legitimate influence of one's superior or superiors. Deference implies a yielding or submitting to the judgment of a recognized superior, out of re ...

participant in a BDSM scene. It consists of a testicle cuff device, typically a ring, that clamps around the base of the scrotum while it is drawn back between the legs. This is mounted in the center of a bar or pair of rods that pass behind the thighs at the base of the buttocks. As a result, the wearer is forced to keep their legs folded forward, as any attempt to straighten them even slightly pulls hard on the scrotum, causing anything from considerable discomfort to extreme pain. In this way the wearer is prevented from standing up straight and has to stay bent over or crawl on all fours.

Testicle cuffs

A testicle cuff is a ring-shaped device that can be placed around the scrotum between the body and the testicles. When it is closed it prevents the testicles from passing through. A common type of testicle cuff consists of two connected cuffs, one around the scrotum and the other around the base of the penis. Testicle cuffs are one of the many devices that are used to restrain the male genitalia. A standard

padlock Padlocks are portable Lock (security device), locks with a shackle that may be passed through an opening (such as a chain, chain link, or hasp staple) to prevent wikt:use, use, theft, vandalism or harm. Naming and etymology The term '':wikt: ...

, which cannot be removed without its key, may also be locked around the scrotum. Some passive participants enjoy the feeling of being "owned", while dominant individuals enjoy the sense of "owning" their partners. Requiring such an individual wear testicle cuffs symbolizes that their sexual organs belong to their partner. There is a level of

involved, through which they find sexual arousal. The cuffs may also form part of a

sexual fetish Sexual fetishism is a sexual fixation on an object or a body part. The object of interest is called the fetish; the person who has a fetish is a fetishist. A sexual fetish may be regarded as a mental disorder if it causes significant psychoso ...

of the wearer or their partner. However, these are extreme uses of testicle cuffs. More conventionally, the device pulls down the testicles and keeps them there during stimulation, which has a number of benefits: * Making the penis appear longer. Pulling the testicles down and away from the base of the penis stretches the skin over the base of the penis and pubic bone, exposing the additional few centimetres of penile shaft that is normally hidden from view. * Improving sexual arousal. While some participants may be aroused by the feeling of being "owned", the physical feeling of stretching the ligaments that suspend the testicles has an effect similar to the more common practice of stretching one's legs and pointing the toes. * Preventing the testicles from lifting up so far that they become lodged under the skin immediately adjacent to the base of the penis, a condition which can be very uncomfortable, especially if the testicle is then squashed by the slap of skin during thrusting in sexual intercourse. * Delaying or intensifying ejaculation by preventing the testicles from rising normally to the "point of no return". It is much harder to reach an orgasm.

Cock harness

A cock harness is a device designed to be worn around the penis and scrotum. Its function is similar to that of a

cock ring A cock ring is a ring worn around the human penis, penis, usually at the base. The primary purpose of wearing a cock ring is to restrict the flow of blood from the erect penis to produce a stronger erection. It can also be used to increase ...

. Early cock harnesses were used to prevent erections in a variety of ways; many of them caused pain in the penis, typically using sharp projections from cock rings or sometimes via electric shocks. These devices were designed for medical use, to prevent ejaculation while sleeping which was believed to cause "seminal weakness" and other physical problems. An example was the jugum penis. Modern cock harnesses are penile sex toys and their use is associated with BDSM activities.

Anti-erection devices

The Gates of Hell is a male chastity device made up of multiple cock rings that can be used for CBT. A Kali's Teeth bracelet, designed to be fastened around the penis and cause pain if it becomes erect Kali's Teeth is a metal bracelet with interior spikes that closes around the penis and can be used for preventing or punishing erections. Leather penis sheaths lined with internal spikes can be used for similar purposes.

Ball busting

"Ball busting" is the practice of kicking or kneeing participants in the testicles. It carries several medical risks, including the danger of testicular rupture from blunt trauma.

In Japan

Tamakeri (玉蹴り) (lit. ball kicking) is a

and subgenre of

BDSM BDSM is a variety of often Eroticism, erotic practices or Sexual roleplay, roleplaying involving Bondage (BDSM), bondage, Discipline (BDSM), discipline, dominance and submission, sadomasochism, and other related interpersonal dynamics. Given ...

within which a man's

are abused. The genre is also referred to as ballbusting ("bb" for short). Tamakeri is the

Japanese Japanese may refer to: * Something from or related to Japan, an island country in East Asia * Japanese language, spoken mainly in Japan * Japanese people, the ethnic group that identifies with Japan through ancestry or culture ** Japanese diaspor ...

term, but it is used by many non-Japanese people to describe media where

Asian people "Asian people" (sometimes "Asiatic people")United States National Library of Medicine. Medical Subject Headings. 2004. November 17, 200Nlm.nih.gov: ''Asian Continental Ancestry Group'' is also used for categorical purposes. is an umbrella term ...

—mainly women—are participating in it. The dynamics of tamakeri consist of a masochist having their testicles hurt by a sadist. The fetish is popular among heterosexual and homosexual men and women. Denkianma (電気按摩) (lit. "electric massage") is a popular Japanese prank played between two people where one person puts their foot into the genital area of the other and shakes it in a vibrating motion. Often this is done by grabbing the other person's feet, raising them, and then placing one's own foot on their

crotch In humans, the crotch is the bottom of the pelvis (the region of the body where the legs join the torso) and is the part of the body that includes the groin and genitals. Etymology ''Crotch'' is derived from ''crutch''; it was first used in 1 ...

and vibrating it. This is often done between school aged boys as a prank similar to kancho and could be seen by a western audience as a type of bullying. In 2006,

Frito Lay Frito-Lay, Inc. (; ) is an American food company that manufactures, markets, and sells snack foods. It began in the early 1930s as two companies, the Frito Company and H.W. Lay & Company, that merged in 1961. Frito-Lay itself merged with the ...

released a special, Taitsukun-themed edition of

Doritos Doritos () is an American brand of flavored tortilla chips produced by Frito-Lay, a wholly owned subsidiary of PepsiCo. The concept for Doritos originated at Disneyland at a restaurant managed by Frito-Lay. In 1966, Doritos became the first ...

chips, that referenced denki anma.

Safety

Loss of blood flow is one of the greatest risks in cock and ball torture and may cause irreversible damage. Bleeding is an indicator of unsafe behavior. Because numbness may result from circulation problems in the affected member, the level of pain is not an indicator of a problem and signs of danger include numbness or loss of color and edemas. Bondage in which the testicles are tied to another object is especially dangerous, increasing the risk of damaging the testicles through excessive tension or pulling. The most serious injuries are testicular rupture,

testicular torsion Testicular torsion occurs when the spermatic cord (from which the testicle is suspended) twists, cutting off the blood supply to the testicle. The most common symptom in children is sudden, severe testicular pain. The testicle may be higher tha ...

and testicular avulsion, which are medical emergencies that require urgent medical attention. File:Urethral Fingering.jpg,

Urethra The urethra (: urethras or urethrae) is the tube that connects the urinary bladder to the urinary meatus, through which Placentalia, placental mammals Urination, urinate and Ejaculation, ejaculate. The external urethral sphincter is a striated ...

l fingering is an example of CBT needing special precautions, such as not having a sharp

nail Nail or Nails may refer to: In biology * Nail (anatomy), toughened protective protein-keratin (known as alpha-keratin, also found in hair) at the end of an animal or human digit, such as fingernail * Nail (beak), a plate of hard horny tissue a ...

on the finger inserted inside the

penis A penis (; : penises or penes) is a sex organ through which male and hermaphrodite animals expel semen during copulation (zoology), copulation, and through which male placental mammals and marsupials also Urination, urinate. The term ''pen ...

. Image shows a woman doing urethral fingering. File:Clamps CBT.jpg, A woman puts clamps on a man's penis. The clamps should not be pulled off forcefully. File:Penis grabbing.jpg, A woman holding a bound man's penis applies electricity to his

Folsom Street Fair Folsom Street Fair (FSF) is an annual Kink (sexuality), kink, leather subculture, and Paraphilia, alternative sexuality street fair, held in September that concludes San Francisco's "Leather Pride Week". The Folsom Street Fair, sometimes refe ...

. The electricity applied should never be increased suddenly. File:Kink Demo at Folsom Street Fair 2012.jpg, A gagged man's penis and

are pulled using a rope at Folsom Street Fair. The force applied to pull should always be increased gradually. File:CBT Trampling 2.jpg, A woman wearing heels tramples the penis of her submissive male. This should be done very carefully to prevent serious injury.