Knafs Strop Compound Ultra Fine Strop Compound Made in the USA Made from Chromium oxide, Aluminum oxide, and stearic acid. 1 oz (28 Gramm) How to Strop a Pocket Knife Apply a light coat of compound on a strop. Place blade on strop at same angle as knife edge. Pull blade backward in the opposite direction from sharpening or cutting. Use gentle pressure from heel to tip while drawing from one side, then the other. Alternate 7-10 passes on each side. Hair popping sharp is the goal.