Related Clues:

• Clear up a mystery
• Crack only a few can squeeze through
• Find solution
• Work out alone, about five
• Voles (anag.)
• Value initially found in exclusive work out
• Do what you're doing, as opposed to cutting fish
• Only about five work out
• Work out volume in one
• Crack one found around top of vase
• Crack setter often leaves vague enigmas initially
• Find the answer and clear missing sailor
• Crack visibly opening in bottom of shoe
• Crack small pitted fruit
• Work through