Fat Lady Keeps You Chaste

Well, thats bad luck for you, isnt it? Cant wank off your lil' dick anymore? Well, Ill keep the key to your chastity belt - you wont be able to take it off anymore. Youll go home, locked up, dreaming about my flawless tits - but jerking off - well, thats the one thing you wont be able to do anymore!