I've always struggled with setting bindings back in a way the board isn't designed for. Tried it a few times and hated it, and really haven't done it since. Now I just keep a board in the quiver that excels at pow whether pow-specific or just one with great float.
15 NS Ripsaw . 14 NS Proto HD . 14 NS Cobra . 13 Gnu Space Case EC2 . 2013 Salomon Pow Snake
14 Now Drive . 13 Now IPO
14 Flow Hylite