Quick release C-clamp - video

Quick release C-clamp. By Ipunk Crow. 13:09 video:

https://www.youtube.com/watch?v=zeyyysoDZxA


Related:

Claw Clamps by thehomeengineer
21 Plans for Homemade Clamps
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67 Best Homemade Clamps
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The "first in the world" claim is like so many claims in many of these videos, it is completely bogus.
I have had commercially made quick release G clamps for decades.