serrated plastic knife — and you’ll wish hard for something that cuts cleaner, faster, and better. While there are all sorts of ways to build a hot wire foam cutter, this design from ...

Watch as a hot knife effortlessly slices through Velcro in mesmerizing macro close-up. The smoothness is unbelievably satisfying! #Macro #Satisfying #CloseUp #HotKnife #VelcroCut # ...