A whoopie sling is an easily adjustable rope sling designed for tree pruning or tree removal. The whoopie sling works by wrapping the sling around the trunk of a tree or a heavy load bearing limb and pulling the end of the rope within the sling through a spliced choker. By adjusting the size of the eye in the rope through the choker the user is able to adjust the length of the sling constricting around the tree without needing knots. Whoopie slings made with

ultra-high-molecular-weight polyethylene Ultra-high-molecular-weight polyethylene (UHMWPE, UHMW) is a subset of the thermoplastic polyethylene. Also known as high-modulus polyethylene, (HMPE), it has extremely long chains, with a molecular mass usually between 3.5 and 7.5 million amu. T ...

(UHMWPE) have a very high strength to weight ratio, making them an increasingly popular tool for

outdoor recreation Outdoor recreation or outdoor activity refers to recreation done outside, most commonly in natural settings. The activities that encompass outdoor recreation vary depending on the physical environment they are being carried out in. These activitie ...

where an easily adjustable yet strong line is needed. These slings usually have a smaller diameter and are often used while suspending hammocksDerek J. Hansen: ''The Ultimate Hang (An Illustrated Guide To Hammock Camping)'', 2011, during hiking, camping, or sailing.

References

Horticulture Forestry tools {{tool-stub