Operative surgery, for students and practitioners . Fig. 4.—Square Knot. Fig. 5.—Slip-knot.. Fig. 6.—Surgeons Knot. The first loop is made double to prevent slippingwhile taking the second loop. geons still use
Arborist Knots | Learn How to Tie Arborist Knots using Step-by-Step Animations | Animated Knots by Grog
Ian's Secure Knot *aka "Double Slip Knot", kept my shoelaces in check - 9GAG