Cheap & cheerful, yes - that’s the point, you don’t have to spend £1500 on a Zeta and 70p per Tenso to get a self-clamping connector. And like the Tenso, Domino, Dowel, Clamex, biscuit etc... it’s for butt and bevel joints. The carcass jig that I made in the above video, yes, that’s for the 90°...