Should you find yourself staring lustily at the empty potato chip container you just ravished, Something Awful goon "STFU Pumpkinhead" (who has an X-Com avatar) has put up a HOWTO explaining the best way to turn that plastic tube into a fuckable tunnel of love.
Safe for work, picture-wise, but perhaps not safe for your sense of propriety, especially when they start talking about clean-up. I'll never be able to look at those Lays Stax the same way again.
How to build your own Fleshlight! [SomethingAwful.com]