What to hold.

The five edges that do the work — what each one's for, and how to keep it sharp.

The edge that cuts a mortise clean and pares a shoulder square.

Takes a rough board to a glass face, one shaving at a time.

Two hands, a wide blade, and a line you can trust.

A chisel the size of your forearm, driven by hand into green oak.

Shapes a beam's face with a sweeping inside cut.