You must keep yourself as close to orgasm as you can. You may only cum while the alarm is beeping. If you didn't stay close enough to cum within the 10 seconds. Can do this or would you ruin it?
Can you guess how a babe keeps her muff based on how she dresses? Guess Her Muff and see if you are right. If you guess right you can stroke your cock to the bonus pictures. Multiple endings.