Spyderco's state-of-the-art sharpening system and accessories can help give you the edge you need. Before Spyderco ever made knives, they manufactured the tools to keep them sharp. There full selection of sharpening products now includes everything from small, lightweight stones that are ideal for touch-ups in the field to their versatile Sharpmaker system that takes the mystery out of sharpening virtually any cutting tool including serrated edges. First they made things sharp... then they made sharp things.
Kershaw offers the Ultra-Tek which is a convenient way to keep your Kershaw sharp. The Ultra-Tek is a compact sharpening steel that lets you quickly and easily touch up the edge on your Kershaw anywhere, anytime.