Related Clues:
- Beats 1-0, say
- Toughness exemplar
- Slight advantages
- Skater's concern
- Fastens securely
- Rough around the ___
- Metal spikes
- Horny plates of the digits
- Slain with metal pins
- Sharpened sides of knives etc
- Horny plates and pointed pins
- Sharpened sides of blades
- Boundaries of a surface
- They may be driven by five-in-hand
- Might besides?