Riptide – All Terrain Vehicle Prototype H&H Industries build Riptide (prototype) for the US Army. Amazing this is built just by a handful of people. Facebook Prev Article Next Article Gadgets Checkout these cool gadgets... Related Posts Control your PC with Thoughts Mandylion Password Manager Force Feedback Controller – Novint Falcon Big Enter Key for Stress Relief Don’t Use a Towel to Dry, Use the BodyDryer Thingy! Radially Expending Table