Possible Clues:

• Woodshop tool
• Tool with a flat cutting edge
• Inner section of triptych is elaborately cut
• Clare Long hides what's not hers to score
• Swindle is covered up by revolutionary Left
• Cheat, so to speak
• Sculpting aid
• Tool used to shape wood, stone or metal
• Tool with a bezel
• Tool the man's smuggled into prison finally going missing