a ball attached to some straps that you force into the mouth of your submissive and tie around her head so she's forced to mumble and drool helplessly while you do unspeakable things to her
A high-fetish gag, which usually consists of a red ball on a black leather strap. Keeps the mouth open. It is safer than most gags since there is little danger of choking or air blockage.
A plastic ball attached to a strap that is inserted into the mouth and fastened to the back of the head during bondage play in order to silence a person.