Onewheel GT XT60 Retention Clip (should work for pint pintx) by FreedomDuck

XT60s coming loose on GT's is a known issue, but you won't catch my face in the pavement because of it! Every picture I have seen of this happening was on the controller box. You can install the clip directly on without unplugging the xt60. Install male side first, which if you are looking at the picture of it installed, it's the left side. Beware that some firmware's if you unplug the xt60 from the BMS (controller box one is fine), it could brick your board. Hit up the GT owners group on facebook to find out what firmware revisions are susceptible. Print in pteg, pla if you must

Download from thingiverse