Headphone/Playstation Controller/Utility Hooks

This handy device allows you to hang a pair of headphones from any flat vertical surface with a 1/4in bolt, screw, etc. It was originally designed for me to mount my headphones onto my home built computer cart made of 80/20 15-series aluminum tubing as seen in the pics. I discovered that if you print two sets of these hooks, it also works to hold a PS4 controller.
It is three easy to print parts, the base and the left and right hooks. They simply slide in place and are held there by the press