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08/27/11(Sat)23:23 No.29138495 File1314501825.jpg-(33 KB, 492x428, 131117343007.jpg)
>>29138423 ... It's a protective skin, not unlike human foreskin, but static around the pelvis area of a numerous variety of mammals, most commonly seen at dogs, cats and horses, that works simple enough. The penis, while limp, stays inside the sheath to prevent damage or grime to it, and when going rigid, it glides out of the sheath, to retract when done with the deed. |