I´m to much of a coward for this kind of hack. I got it of an LBS (Ettettsex) IG account. They cater to a lot of messengers and BMXers and other people of a more pioneering spirit. Nice store to visit if you´re ever in Stockholm.
If so, how's the braking force? And does it lock the brake, requiring the rider to release it?
There’s a bmxer that’s been experimenting with using modded grip shifter to pull brakes and he’s doing stuff that requires a properly locked brake so must be alright.
Gripshift repurposed