Put on your skiniest jeans over your most uncomfortable thong.Drink a litre and a half of water and when you finish start a two hour timer.You may not pee or go to the toilet during these two hours. Place towels on the floor and if you have to go piss you do it there in your jeans. For every minute under an hour you couldn't hold it for you must stay in those jeans and thongs for 2 mins. Then you must put your thong in your mouth for the remaing mins of the 2 hours divided by two