Here's my wife after I put on a porn for us to watch. We enjoy doing this a couple of times a year and she really gets wet. She started watching it standing up, in her underwear and then sat down, but by that time was wet already.
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 ...