>>11390053>>11390058>>11390061track and field athletes use it and its supposed to pull the skin back away from the muscle so that muscle has a little bit more room to expand without the resistence of the skin slowing it down. its a tiny boost but the top athletes in the world claim it works and its costs next to nothing so its worth it for a gold medal.
when wrestlers use it, it looks stupid since they're flying around, getting slammed on the ground and falling all over the place and serves no purpose since it usually falls off before the match is over.