In this follow-up to our previous story about Mexico’s Roberto Esquivel Cabrera, who claims to have the world’s biggest penis at 19-inches, apparently doubters have been after Cabrera calling him a liar. So Cabrera sets out to prove his penis is the world’s biggest by putting it on some weighing scales at his home in Saltillo, Mexico. He put a sock over it and his penis weighs 2.2-lbs. His x-ray proves its length. News of his Sex Tape Offer here. Cabrera claims his 19-inch, 2.2-lb. penis makes him disabled.