In Wamjerk 33, Cerrid tells you to gather up 4 cans of frosting, a jug of chocolate syrup, and 4 CoolWhip pies. She then guides you to apply them to yourself while she does the same. Most of your application is one-handed, since she's also encouraging you to jerk off the whole time
You'll need some endurance and self-control for this 20 minute clip. It's at: