Here's an idea for a fun game - first, put all 35 pins on your body. Anywhere is fine, as long as there are some on your labia, clit, and nipples. In order to take them off, you'll have to choose between edging or fucking your ass with your butt plug : 1 edge = 1 pin, and 10 minutes fucking = 5 pins. When you complete a task, pull the pin off without opening it up.
Additionally, if any pins fall off that you weren't specifically taking off during the dare, you'll unfortunately need to put that pin PLUS two more back on
If you're feeling especially daring, leave any on or around your pussy for last ~