I've been dailying this mod for the past month; its my favorite multitool mod I've yet made, it has made my Flex Mini massively more functional at barely any additional space.
It is inspired partly by the fullsize flex bitholder mod another user made, tho I put a lot of refinement into this. It was super important to me for it to feel rock-solid when attached and comfortable to have on during normal use; I added ledges on each side that match up to the chamfers on the Mini, covering the seams and better holding it in place. Then I added two strong flat magnets to further hold it down firmly. After over half a dozen versions I managed to get the tolerances *perfect*, so that when on it has absolutely zero wiggle in any direction, and you can shake the tool by the bitholder without it easily coming open.
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I'm contemplating making a Roxon Flex version of this using Leatherman bits (I believe i can make one that comfortably holds up to 8 bits), I'll need to get leatherman bit-adapters metalprinted (it is funny there are so many adapters for putting fullsize bits in leatherman slots, but I can't find any for securely putting a leatherman bit in a short fullsize slot).
by TThor