Broom binding and hammer: what they have in common

1. Step 1. Broom binding — is part of — Broom. It binds the bundle.
2. Step 2. Broom — evolved into — Mop. A cleaning tool.
3. Step 3. Mop — has part — Handle. A long stick.
4. Step 4. Handle — is part of — Hammer. A handle.

Open Evothings