Tie fishing line or dental floss onto the base part of the hook. Loop the line around all three of the paperclips. Use to grapple stuff and finally open that door. (This is really easy to reinforce with ductape or ductape or ductape or... ductape. I'm sure you all can think of a way to reinforce the hooks, too, but this is a simple one and filing down fishing hooks is a lot of work. And finally i know that there is another grappling hook at: tiny grappling hook
no need to post that.