Sherdog Technique of the Week: Single-Hook Variations

Showtime's Strikeforce "Evolution" presents: The MMA "Technique of the Week." Ricardo Liborio of American Top Team takes us through variations of the single hook in this week's Sherdog.com Technique of the Week. Watch and learn as the legendary Brazilian jiu-jitsu black belt takes you through the steps to locking up some of the deadliest submissions in the game, such as the armbar, triangle choke and the arm-in guillotine.