21. A cow hitch and bowline can achieve the same effect and are called a " cow hitch hoist ". 22. The ground crew ties a bowline on a bight into the high line and hooks it to the blocks. 23. I want to learn all over again how to hit a backhand and tie a bowline and do the crawl. 24. Eskimo bowline based on the method described by Geoffrey Budworth in " The Illustrated Encyclopedia of Knots ." 25. Along with the sheet bend and the clove hitch, the bowline is often considered one of the most essential knots. 26. These tests followed the " Operation Latchkey " series and preceded the " Operation Bowline " series. 27. The knot is finished with a bowline knot or other reliable knot that connects the working end to the standing part. 28. A "'Yosemite bowline "'is loop knot often perceived as having better security than a bowline. 29. A "'Yosemite bowline "'is loop knot often perceived as having better security than a bowline . 30. The "'Eskimo bowline "'is a knot that places a loop in the end of a rope.