I purchased a magnetic silicone holder on Amazon. It's a little case that fits the gotcha fairly snugly, with a little strap that magnetically hooks up to the back of the case, creating something you can just put on a belt loop or attach to anything magnetic.
https://www.amazon.com/gp/product/B07869KC5Y/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1