Related Clues:
- Right-angled annexes
- 90-degree add-ons
- 90-degree building additions
- Post-storm detritus
- Duckbill's tail?
- Lullaby's three?
- Building add-ons
- Quarter turns
- Architect's additions
- Lengths of cloth to dispose of, first to last
- Some architectural wings
- House extensions
- Right-angle pipes
- Scanners, light pens, webcams, etc
- Lawful ends?