2015 world BJJ and ADCC world champion Claudio Calasans shows us 2 very effective yet simple wrist lock techniques from the closed guard and from the back. From closed guard:   From the back: To get more instruction from ADCC and IBJJF World Champ, Claudio Calasans, check out his Giant Killing series where he shows how … Continue reading Learn Claudio Calasans’ Nasty Wrislock Set Ups