Cambered or curved cauls are a great resource to have in your glue-up arsenal. Their slightly curved shape helps apply pressure to places where clamps alone can't reach. One of their most common uses is in applying clamping pressure across the shelf dado in the side of a case piece, where it’s imperative to achieve pressure across the entire joint.

Learn how easy it is to make these cauls using your jointer, with this step-by-step tutorial.