How do I unfold the extension arm of the PocketRIG 2? Ashley July 26, 2018 19:27 Please check out our User's Manual video below to learn how to unfold the extension arm of the PocketRIG 2! Related articles I am having trouble connecting two HeadONE devices together via the edelkrone app. What can I do? How do I unfold the PocketRIG 2? Comments 0 comments Please sign in to leave a comment.