What spear-thrower is made of
A lever that extends the arm when throwing a spear.
- Spear-thrower shaft — has part. A lever that extends the arm.
- Hook spur — has part. A hook against which the dart rests.
- Lever — uses. It extends the arm — a lever.
- Spear — uses. It throws darts.
- Wood — is made of. A spear-thrower is a wooden or bone stick with a hook.