This model is a beltclip for the Poké Ball from "kriswillcode" https://www.printables.com/de/model/166243-pokemon-poke-ball
The hooks on each side could be used for a rubberband or similar as a secondary safety.
2 Parts:
Design is made for a ball with a 58mm wide and 4mm high middlepart.
Both part can be printed parallel with a layer height of 0.2mm or less. The part must be joined and the little barb (pic 4) hold them together.
The author marked this model as their own original creation.