Related Clues:
- Slip hider
- Lesson writer?
- Tip for an exam taker?
- One way to take back one's words?
- It clears the slate
- Corrective tool
- Solver's "undo" implement
- Gymnastics school supply
- Something to clap at school
- Chalkboard cleaner
- Rubber-outer
- A golf pencil doesn't have one
- No. 2 end
- Puzzle-correction device
- Pool hall freebie