Fig. 3. The Figure Eight knot is similar to the over-hand knot except that the loose end of the rope is passed through the loop from the opposite side. It is commonly used to prevent a rope running through an eye or ring or tackle block. It is also used as the basis for ornamental knots, etc. Fig. 4. The Double Figure Eight knot is made by forming a regular figure eight and then following around with the end of the other rope as shown.