Pinned for pleasure: Inside London's wrestling fetish gym

Hidden behind hundreds of unassuming terraced houses in north London is a wrestling gym with a difference.

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Within the confines of the padded vivid-red mat room of The Submission Room, in north London, men pay to be grappled to the ground, sat on, twisted, bruised and even knocked unconscious.

And owner and wrestler, Pippa the Ripper says business is good. Find out more in the video above.