The headstock is the part that holds the tuning machines. It’s going to be made out of walnut to match the other parts.
It’s initially glued up using 4 pieces, leaving a slot down the middle:
Then the bottom is trued up on my 62 year old 6″ jointer, and then notched to accept the sides and the pilot holes for the tuners are drilled:
Now the headstock shape is cut out on the bandsaw, and then refined with the belt grinder:
Now the surfaces are sanded smooth: