Video Description: Hinako collabs with Master Sim in Bangkok at the renowned rubber studio, REDROOM!They prepare their respective rubber masochists with harnesses and straitjackets, hanging them up and facing them toward each other.Then, they tie the two subs’ balls together and engage in some series CBT, followed by a hit of the vibrator and jacking them them off.This bondage situation became quite fun for them as they began to notice an element of predicament bondage appear as when one sub would move around, it would naturally pull on the other’s balls.