There is a growing number of AirPod Pro cases on the market but DSPTCH adds a functional twist with a modular system of accessories to make it easy to hook onto virtually any attachment point like a bag strap or belt loop. Their new AirPod Pro Case features a magnetic Fidlock attachment that can mount to a wide variety of Key Chain accessories. The attachment features a quick-release mechanism for easy removal and swapping of accessories. 

$18-$35, dsptch.com