A hand saw cuts through a series of unused hand saw handles. It is horrific to see. Collect the sawdust in a bag.
Restrain the handsaw to a table using C-clamps. Run a bottle of wood glue along the blade, opening the bottle. Mix the sawdust with diluted wood glue and pour it all along the sharp edge of the blade, rendering the sawteeth useless.
Pour unmixed glue on the flat of the blade, using it as an applicator to spread glue on the cut hand saw handles. Clamp the hand saw handles, restoring them to a functional if scarred state. Do this in view of the hand saw.
Put the hand saw in an unused drawer marked “