Related Clues:
- Right-angled annex
- Perpendicular extension
- Late start?
- Allen-wrench shape
- Wright wing, maybe
- Certain bent pipe
- House add-on
- Building wing shape
- Extension that forms a right angle
- Wing shape, perhaps
- Bookshelf bracket shape
- Plumbing pipe with a right angle
- Right-angled building annex
- Result when builders wing it?
- Letter with a right angle