Catching monsters in Pokémon Go sounds deceptively simple: find a creature, and throw an imaginary ball at it by swiping up on your phone screen. The reality is a lot more frustrating -- if you don't flick your finger in a perfectly straight line, the throw will curve to the side and miss. There are two solutions to this. You could practice, or, you could 3D-print a ridiculous phone-cover that takes away all of the challenge. Jon Clever chose to do the latter.