Related Clues:
- Access points
- Swingers?
- Arrows or mine passages
- Mine tunnels or arrows
- Arrows or rays
- Arrows or mine tunnels
- Barriers to entrances
- Vertical or sloping passages in mines
- Columns of light
- All those arrows of mine
- They're enough to give one a grand slam
- Such arrows may get sunk
- Great Pyramid passages
- Arrows and rays of light
- See 1