Related Clues:
- Units of nautical speed
- Nautical measurements of distance
- Shoelace annoyances
- It's a measure of boat's speed that makes granny bow and slip
- Water rates of the Windsors, perhaps
- Nautical mph
- They secure the going rate, in the main
- Concocting the same silly lies for the main calculations
- Grannies, reeff etc
- They secure the normal shipping rate
- Profundities
- Deep water shelter put back around small port
- Sea bottom
- Are they tied to rates at sea?
- Oddly deep patches?