Mini slider wrist band

It is vary small the string I had was ~2mm in diameter, and the clip is 6x12mm. I made it to be a wristband for the FlyBoard 2.0 by 3DDengineer https://www.printables.com/@3DDengineer 

Flyboard 2.0 https://www.printables.com/model/254313-finger-surfboard-car-window-finger-surfboard-flybo

Print with a short layer height .12 

You can print it and thread the string through, or pause the print and put the string in then.

it’s probably scalable but I haven’t tried