Collapsible Grappling Hook Collapsible Grappling Hook from Sean Gordon Collapsible Grappling Hook Collapsible Grappling Hook Tool for climbing and ascending obstacles. Machined from aluminum alloy 6061 and stainless steel. Tool for climbing and ascending obstacles. Machined from aluminum alloy 6061 and stainless steel. gLike Collapsible Grappling Hook Collapsible Grappling Hook Industrial Design Share R 7 n Available Freelance, Full-time Sean Gordon Industrial Designer, Crye Precision Brooklyn, NY Follow Contact