When I was in grade school, I used poorly engineered retractable pen cannons to fire tiny beads at my friends an enemies during class. I thought it was pretty cool but this mini grappling gun puts all my pre-adolescent tinkering to shame.
In a quick and easy step-by-step mist8k shows you exactly how you can turn stuff you probably have lying around (a pen, a popsicle stick, a Lego piece, paperclips, etc) into a pretty astonishingly effective little grappling gun. Because really, what else are you going to accomplish this afternoon? [mist8k]
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