: Reviewers on Reddit and YouTube note that the aluminum clamps can be flimsy and the guide rods may bend.
: 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 : Lansky
: The bare aluminum clamp can scratch polished blades unless you protect them with tape. : Reviewers on Reddit and YouTube note that