Les Gutches Slideby
Gutches in red controls a bodylock in an over-under position. He sweep steps towards the underhook side, while squeezing the lock. The momentum of the sweep step lowers his level below the underhook of the opponent.
He drives his shoulder into his opponent's chest, while sliding past the underhook.    
To stay in good position he must rotate his chest back toward the mat. The slideby should make you disappear from under your opponent's weight. As the opponent falls to the mat you should be able to go-behind for the takedown.
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