Related Clues:
- Hitchhiking seed
- Botanical sticker
- Prickly seed case (Var.)
- Prickly seed case
- Carpenter's boring tool
- Hiker's sock-clinger
- Burmese leader goes to old city for flower head that clings to clothing
- Drill for boring
- Boring device
- Prickly sticker
- Seed vessel with prickles
- It's boring or it's useless
- Boring implement
- Pericarp
- Persistent clinger