How to Clean a Pocket Knife

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Things You May Need:

  • Cotton swabs
  • Cotton swabs
  • Old toothbrush
  • Toothpicks
  • Soft clean rag
  • Steel wool grade 0000
  • Dishwashing liquid
  • Sponge
  • 3-in-1 Oil


Step 1  Open the knife blade and lock if possible. Use toothpicks, toothbrush and cotton swabs to clean and pick out lint and debris from the blade channel. Pay close attention to all the cracks, crevices and any other areas where dirt may collect.
Step 2  Clean and remove dirt and grime from the blade. Run warm tap water and use the dishwashing liquid and sponge to gently scrub the blade. Try not to immerse the entire knife in the water. Dry blade with the dry rag. Use compressed air to thoroughly dry the entire knife if you were unable to keep it dry.
Step 3 Gently scrub the scales with the toothbrush. Use a toothpick to pick out debris from the jigging in the scales. Wipe thoroughly with the dry rag when finished.
Step 4  Inspect the blade for rust.  Discoloration is an early indication of rust.  Add a drop of oil to any rust spots and lightly scrub with the steel wool.
Step 5  Apply a small drop of oil to the pivot point or joint. Lightly wipe the blade with a thin coat of oil. Store in a dry area when not carrying your pocket knife.