Reply by Moron

some glues wont stick to laminates but you dont want the glue to smear either. Perhaps have no clamping pressure on the actual corner joints but only far enough in to miss the squeeze out yet put pressure on the joints.

Any kind of home made cams/wedges will work on two sides if the jig is made right.

Its hard to explain in words, quite simple if I was hands on.

-- "Good artists borrow, great artists steal”…..Picasso