A butterfly clutch is a device that attaches to the back of a tack

pin A pin is a device, typically pointed, used for fastening objects or fabrics together. Pins can have the following sorts of body: *a shaft of a rigid inflexible material meant to be inserted in a slot, groove, or hole (as with pivots, hinges, an ...

to secure an accessory to clothing. Butterfly clutches are used for various kind of brooches, badges, and medals. They are less secure compared to other types of pins such as prongs and safety pins, especially when the surface of the medium to which they go through is thick (e.g.

wool Wool is the textile fiber obtained from sheep and other mammals, especially goats, rabbits, and camelids. The term may also refer to inorganic materials, such as mineral wool and glass wool, that have some properties similar to animal w ...

) or when the accessory to which clutches are applied is too heavy (e.g. military order). Locking clutches are also available which are highly resistant to detaching from tacks. Butterfly clutches are sometimes known as dammits, especially in military circles, after the phrase one says when one belonging to an important badge or

medal A medal or medallion is a small portable artistic object, a thin disc, normally of metal, carrying a design, usually on both sides. They typically have a commemorative purpose of some kind, and many are presented as awards. They may be in ...

is lost.

References

Jewellery components Fasteners {{fashion-stub