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This is the one I'm talking about. Doesn't look to have the central adjustment bolt:
https://www.tredz.co.uk/.Exposure-Quick-Release-Handlebar-Bracket-With-Helmet-Light-Clip_32922.htmThere's clearly no bolt in the middle to adjust direction:
https://www.tredz.co.uk/.Exposure-Clip-for-Quick-Release-Handlebar-Bracket_69696.htmYou could probably get all kinds of bar mounts that would work with the 3-pronged mounts:
I know my Apeman cameras have loads of variations on this design to clamp to just about anything.
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This is what I use to stick my helmet lights on my handlebars - it will fit the skinnier ends of bars
https://www.sigmasports.com/item/Exposure-Lights/Aero-Bar-Silicone-Band-Light-Mount/P3PE
https://www.exposure-use.com/Brands/Exposure-Lights/Products/Bike/Brackets-and-Mounts/TraceR-QR-Bracket
but for a bigger light