[1] Complications can include tissue death due to lack of blood flow.
[1] The mechanism is believed to involve wet hair become wrapped around a body part and then tightening as it dries.
[1] In some cultures thread is tied around the penis of children with bedwetting or for luck.
The ligature will not stretch in response to the toe swelling and will therefore cut into the skin in more severe cases, like a cheese-wire.
[3] Other treatment not requiring minor surgery includes use of a chemical depilatory, such as the over-the-counter product Nair, to dissolve or weaken the hair.
Use of depilatory products such as Nair is not an effective treatment on nylon or other fibers that are not human hair.