Related Clues:
- Ridge of rock or sand just below sea surface
- Ridge of rock just below ocean surface
- Submerged ridge of rock near the surface
- Cut the . . . . . . . knot to solve a problem by unexpected means
- Cut this knot to solve problem forcefully
- Solve problem forcefully - cut the . . . . . . . knot
- Legendary knot cut to solve problem
- Submerged ridge of rock or coral near the surface
- Submerged ridge of rock or coral
- Submerged ridge near the surface of the sea
- 'Extremely intricate, as the knot (7)'
- The Great Barrier ..., Australian natural wonder
- Thus one forces about a thousand piles
- That's not the sound of Granny on the rocks
- By the sound of it, not the tide of old