Scubapro X-Tek Stabilizing Crotch StrapA simple crotch strap can make all the difference when diving. If youve ever experienced discomfort or your diving system slipping out of place, Scubapros X Tek Crotch Strap will do the trick. The universal design attaches to any backplate. Once installed, it will instantly lock you and your diving system together to keep it from shifting around while above or under water.