Golf wrist hinge trainer

Training aid for setting the wrist hinge in golf. Allows you to set the wrist hinge angle and then maintain it until the last minute.

Attach to standard size grips with standard metric M8 bolt to tighten and secure in place.
Variants: Wide indicates a wider arm fit for those with more grunty forearms. 115 indicates a 15% increase in the grip size - should be good for mid-size grips.

Plenty of youtube tutorials to show you how to use similar devices e.g. https://www.youtube.com/watch?v=uxA8hVFeozc

Supports - Yes. Note that I've printed it in the best orientation for strength (just rotate in the z to fit the bed if needed), but could be done in a way to use less support but would not be as strong.