Measure a long piece of hickory with a tape measure and mark a pencil line to cut it between 30 and 32 inches long.
Put on goggles and cut the hickory to 30 or 32 inches long with a jig saw. Do not make the hickory shaft any shorter or longer because it will need to be 40 to 42 inches long with the head attached.
Put the hickory lacrosse shaft on a planer and plane it down to .0625-by-1 inch in diameter -- the regulation thickness of the lacrosse stick.
Use a miter saw to cut a 45-degree angle into the top end of the lacrosse shaft to fit the head over.
Sand the hickory lacrosse shaft smooth with medium-grit sandpaper and wipe it down with a tack cloth.
Apply a coat of varnish to your lacrosse shaft using a paintbrush and allow it to dry as long as directed by the manufacturer to protect the wood.