Related Clues:
- Pieces in the board game Mastermind
- Coat rack pieces
- Battleship markers
- Coats and hats can be hung on them
- Cello parts
- Square ones won't fit into round holes
- Tent-securing spikes
- Square ones don't fit in round holes
- The Game of Life pieces
- Hat-hanging aids
- Scrabble's 100
- Lite-Brite bulbs, really
- Bass tuners
- Gets out in dodgeball, say
- Decorative features throughout Spain's Alhambra palace