When Colin Furze builds something, you know it will be crazy... Crazy inventions call for holemaking tools that are anything but ordinary... like Versadrive Impact Cutting Tools by Holemaker Technology! Here's a throw-back to a year ago when he recreated his epic 'Wall of Death' stunt from the beginning of his YouTube career, with a steel framed, plywood-clad modern version. That many steel sections meant bolting lots of bit of metal together. Inevitably, some holes are going to be out of line.

New Secret Tunnel Part 9 - Exploring Colin Furze's Underground Bunker