My wife is a homeroom teacher and recently we had the opportunity to take some naked pictures of her. Can't show her face because of her job but they are still sexy nonetheless.
Each token is about 5-10 cents and you can tip 1 or as many as you like. Every token amount has an effect of some kind on the performers."
The tokens vibrates the toy remotely which is usually already inside the woman. So your 5 cents makes her shiver. After awhile, she does something extra (sexy) special ...