Gangster Grappling by Chael Sonnen

Lots of content for a solid price. Explained well.

awesome techniques

Covers a series of positions. Not every control of position that you'll see when grappling in the clinch or rolling around on the ground, but the ones he does cover, he covers very well. Definitely will give you a solid foundation of knowledge on a series of major positions.

GREAT

Instructional very practical Easy to follow Highly recommended