Maybe this will be helpful.
Whoa, thank you!!
I will seriously investigate, concept sketches due next week, how to construct a 'functional' grappling hook. My initial idea is to have them open/close when the hook is pulled from resp. inserted into the 'hook holder' (according to the picture posted by phantomfett
I need springs and some mechanism that levers all there hooks simultaneously.
Anyone built this before?
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