For the longest time, I've used the Hold Fast Money Maker camera strap for a 2 camera setup in my wedding business. However, when I finally got my first range finder, I had trouble finding the right camera strap as a dadtographer. That was when the Peak Design Leash surprised me.

Peak Design Leash: https://www.peakdesign.com/products/l...
Hold Fast Gear: https://holdfastgear.com/