edge — a line or border at which a surface terminates: Grass grew along the edges of the road. The paper had deckle edges.
whet — to sharpen (a knife, tool, etc.) by grinding or friction.
noun strop
leather — the skin of an animal, with the hair removed, prepared for use by tanning or a similar process designed to preserve it against decay and make it pliable or supple when dry.
cat-o'-nine-tails — a rope whip consisting of nine knotted thongs, used formerly to flog prisoners
