Related Clues:
- Providers of highs and lows
- Tail movements
- Toy with spool and string
- Notice cutter's sails repeatedly up and down
- Toys with spools
- Playground apparatuses
- Punsters and quipsters
- Goes back and forth quickly
- Varies widely
- String-on-finger toys
- Stringed instruments?
- Finger shakes
- Understands when hugging wife and goes from one extreme to the other ...
- Toys with strings attached
- 'Around the world' toys