Related Clues:

• Fault in deal that's incomplete, say?
• Timber fault - sounds incomplete
• Flaw in prepared wood
• Something in deal one can see through? It's incomplete, so to speak
• Sign of blemish that's caused part of deal to fall through?
• Gap in a piece of wood
• Flaw in timber
• Gap in wood
• Board imperfection
• Flaw in plank of wood
• What sounds like incomplete tree feature?
• Flaw in a floor board
• Flaw in a piece of prepared wood
• Then look round -- you might find it in the wood
• Opening on a trunk