Poor Polina! She is the most flexible girl we have ever seen, and the only one who can do reverse elbow bondage! She also HATES nipple clamps. Which is quite unfortunate, because she can not reach the clamps when we keep locking her in tight elbow bondage devices. The Bagno arm screw makes her elbows touch, and a double hinged handcuff locks her wrists into place. Now it is time for the nipple clamps again, with an added padlock for…