Possible Clues:

• Will a chopped-up tree do for a worm
• Injured toe hopping over brightly coloured mollusc
• Will the tree get chopped-up and do for a worm?
• Biting in the bottom of the ship
• The worm may do it again at last
• Shipworm produced by odd characters in The Green Party
• Mollusc needs the middle bit removed - cook again!
• Shipworm — red toe (anag)
• Marine bivalve mollusc, also called shipworm
• Boring marine worm