This is an adapter for the 90 degree modular desk clamp that allows you to attach gridfinity plates (2x1 or 2x2) to the clamp, allowing you to rapidly swap adapters to fit the workflow you are working on.

The adapter action is smooth, if you want friction, I recommend adding 2 pieces of electrical tape to both sides of the adapter (the fiction from the electrical tape will add a more premium feel and locked in connection) – you can see the electrical tape mod on the picture with the 2x2 gridfinity plate

I am willing to add additional Gridfinity Modules as requested