Related Clues:
- Pet shelter visitor, perhaps
- Platform for choir members
- Vertical stair piece
- Stairstep part
- Stair feature
- Early ___ (technology fan, often)
- Choir support
- Aid for a large-group photo
- Mother who never had a delivery?
- Upright part of stair step
- Upright piece between steps
- Vertical part of stair
- Upright piece in stairs
- Vertical piece between stair steps
- Vertical piece between two stair treads