Related Clues:

• Poles have to suffer - they're hammered!
• Proverbially hard on one's toes?
• Fixes tax account?
• They are hard and make trouble in two directions
• They are driven to join things
• Cock's crest
• Tacks - arrests
• Aids for counting to twenty
• The ''ten'' in ''hang ten''
• Pedicure targets
• Digits for counting beyond ten?
• ''Little piggies''
• They get hammered
• Frostbite sites
• Work boots have steel ones