Grappling from the turtle guard.
A collection of grappling videos by Cary Kolat on countering the collar tie from the front clinch.
Wrestling Underhook Series by Carl Adams.
Circling away for ankle picks, circling in front for everything else.
Matt Hughes demonstrates the Front Headlock used as a choke in the style of Dave Schultz.
Wrestler Bruce Steinel demonstrates the Head in the Hole go behind for getting from front headlock to counter rear guard.