Check the listing for details. Blacksmith Experience Double Sided Leather Strop Paddle Knife Sharpener LOT 7. Condition: Used. Listed at 66.00 USD. The Blacksmith Experience Double Sided Leather Strop Paddle Knife Sharpener is a high-quality tool designed for sharpening knives with a convenient double-sided design. Made of leather, this strop paddle provides a smooth and efficient way to keep your knives razor-sharp. Perfect for collectors or those who appreciate traditional methods of knife sharpening, this product adds a touch of authenticity and craftsmanship to your grooming routine. Ideal for honing the blades of your favorite knives, this strop paddle is a versatile and essential addition to any collection. U get all 7 for 1 price