Batwing Suit

When ones Batwings are so severely stretched and stuck to the inner thigh, they have the ability to allow a man to leap from a fixed object and have their moistened, stretched testicles provide enough surface tension to power flight much like a traditional wingsuit.

His Batwings are so pronounced, he was able create a Batwing Suit and comfortably sail down the mountain using only his testicles to keep him aloft .