How do I unfold the extension arm of the PocketRIG 2? Ashley July 26, 2018 19:27 Follow Please check out our User's Manual video below to learn how to unfold the extension arm of the PocketRIG 2! Related articles How do I attach the Skater Kit to the Motion Box? How do I adjust the tension on the arm of the PocketRIG 2? Comments 0 comments Please sign in to leave a comment.