Bondage in the shower? Yes, it's a thing! Keep your lover exactly where you want them during your steamy bathroom fun with these strong suction cup wrist restraints.! The suction cups work on any smooth surface including windows, glass doors, car windows and kitchen counters. So the possibilities for a little light bondage play anywhere are endless, are you daring enough? To use, wet the back of the suction cup and stick it to any smooth surface.