Paper Knight Mash-up Mon, 17 Aug 2015 cool022883knightmashupyoutube Description The ever-creative Mr Cool has been at it again! He’s taken the recent Paper Knight model and Crank Slider Essential Mechanism and mashed them together to make this delightful creation. Nice one Mr Cool, thanks for sharing! Related Comments (1) umehta August 17, 2015 at 10:15 pm Liked it – very nice. Liked it – very nice. Comments are closed.