Arm Bar from Mount at Gracie Jiu Jitsu Carlsbad! Posted by webuser on August 8, 2017 with 0 Comment Nick Stefan is the owner of Gracie Humaita Jiu Jitsu in Carlsbad, CA. In the video below he shows us a basic armbar from the mount position. Want to learn more? Come in or contact us for a FREE trial today!