The screw is one of the most used machines around. It’s easy to miss because of its utilitarian nature. Japanese designer Yuma Kano wanted to infuse some emotion into a small everyday object. Working with the Komuro Seisakusho factory in East Osaka, Japan, he created the Screw :). The screw heads are imprinted with a smiley face and a corresponding screwdriver is available so it would be useful in DIY projects. Check them out, they might get some happiness into your mundane world when you detect a smile that wasn’t there earlier.