A hammer was a tool used for driving objects into something, such as a nail into wood.
Wendy Harris attempted to sabotage Doctor Pelagian's computer with a hammer.
The Railroad Gang Song was a country music song about a railway worker crushing his own toe with a hammer.
- ↑ As seen in Dr. Pelagian's War (1973).
- ↑ As seen in Professor Goodfellow's G.E.E.C.