Hmmmmmmm..... I used one of those studded, latex typed thingies. My ex g/f went absolutely nuts and I kept a hard on even after cumming. (finally) It takes longer for you to cum and the latex kind aren't very restricting as long as you get the correct size for you. It was an experience that, even to this day, I consider one of the best of my life.

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Life is Chaos,
Chaos is life,
The Heartless One