Lansky «REAL»

: You clamp your knife into a holder and use guide rods to slide abrasive stones across the blade at a fixed angle (usually 17°, 20°, 25°, or 30°). Key Pros :

: The bare aluminum clamp can scratch polished blades unless you protect them with tape. Lansky

: Different kits offer alumina oxide, Diamond , or ceramic stones to handle various types of steel. Common Critiques : : You clamp your knife into a holder

For a hands-on look at how to set up the system and sharpen your first blade, this video provides a helpful overview: this video provides a helpful overview: