Quote Originally Posted by killerweed420
Crotching is the best because they usually have you empty your pockets. The heat pad is for emergencies if the temp is dropping too low. But you can usually keep the temp within range for 2 or 3 hours in your crotch.
if all u have to do is keep it in ur crotch then why get QF at all, just get someone elses urine and put the container in ur crotch