StepDoWhy
Take apartSeparate the blades if they unlockReach the pivot and both sides fully
WashHot soapy water, brush the pivotRemoves grease and food, esp. after raw meat
DryDry at once; hand-wash over the dishwasherGentler on the edge; surer against rust
RustVinegar soak or fine scour, re-oil pivotRestores a clean, smooth-cutting edge