Cowboy bowline so easily pushed back by accident. However, there is no documentation to confirm this claim, and some Dutch knot tyers outright deny it. Another piece of unverified lore is that it is called a winter bowline because the exposed working end on the outside would blow in the wind and prevent it from freezing to the loop on ships in the north Atlantic during winter. (This suggests that the standard bowline would be the summer bowline.) "The Ashley Book of Knots" states that it is "distinctly inferior" to the standard bowline because of its similarity to the left-hand sheet bend.
Bowline all end-to-end joining knots (i.e. bends) have a corresponding eye knot. For example, the corresponding eye knot of the sheet bend is the common (#1010) bowline. Along with the sheet bend and the clove hitch, the bowline is often considered one of the most essential knots. Although the bowline is generally considered a reliable knot, its main deficiencies are a tendency to work loose when not under load, to slip when pulled sideways and the bight portion of the knot to capsize in certain circumstances. To address these shortcomings, a number of more secure variations of the bowline have been