Related Clues:
- Thing on a hook
- Screw thread
- Fishhook squirmer
- A self-replicating software virus
- Eg, snail or mussel
- Fish lurer
- Invertebrate; weak
- Creature such as a snail or mussel
- Lacking strength of character, unlike the porcupine
- Weak, purposeless
- Bait bucket critter
- Both sides working like a charm and the birds love it
- Creeping invertebrate
- Snack for a robin
- Proceed deviously