>>16017687They have a bone in their penis as most mammals do which would unable them gripping anything with their penis unfortunaly. On another note pic is the largest penis bone ever found, you would think this is from a elephant or mammoth, but it's actually from an extinct species of walrus, it's curved and is 1.2 meters long. The modern walrus only has a penis bone of 75cm, just the size of a human femur.