Excellent product for making all your knots completely cinched prior to your first cast. This two-piece tool unscrews from the bottom giving you two sticks with rubber dipped surfaces. You wrap your running line and leader around the separate sticks with the knot in the center, letting you cinch your knot nice and tight. Why take a chance cutting your hand or having your knot come undone? Get a Dual Stick Knot Puller for your next trip!