A support for small GH-201 toggle clamps (https://www.amazon.com/Linseray-Antislip-Horizontal-Release-Capacity/dp/B082PJ4D7T) that screws directly on top of an expandable bench dog that locks into the table when tightened

Let's you place a toggle clamp anywhere on your MFT-like workbench

Expandable bench dog can be found here: https://www.thingiverse.com/thing:4769672

You can try different top height to adjust to you stock's thickness