This is a very important knot of only theoretical value. Without extra support, it is untrustworthy in any situation, except as a crossing knot. You have to learn it for scouting and at sailing schools. If you have to use it, work it up properly; pull length-wise only at both ends before you load the working end. It is better to use The Rolling Hitch instead.
The Clove Hitch on the WEB.
The Bowline Knot is one of the most used loop knots. This variant is most used in the world. Probably due to its simplicity, security, and its relationship with the Sheet bend. Keep the cross point in step A between a finger and thumb and make a clock-wise turn with your wrist. Without the loop in between, it is the same knot.
If the loop is expected to be heavily loaded, the bowline is, in fact, not secure enough. There is a rule of thumb which states that the loose end should be as long as 12 times the circumference for the sake of safety.
The Bowline
"Lay the bight to make a hole
Then under the back and around the pole
Over the top and thru the eye
Cinch it tight and let it lie"
The Dutch Navy uses this variant of the bowline. And, of course, the Dutch sailor says this one is superior. The working end is not so easy pushed back by accident, they say. I think it is just a difference in culture.
There is a rule of thumb which states that the loose end should be as long as 12 times the circumference for the sake of safety.
The constrictor knot is important as temporary whipping and as permanent binding from which you need more than one in a row, but not in line (when you should use the strangle knot). Laid well, it is virtually impossible to untie without tools (needle or knife). Never use it if you need to untie it. It is almost the strongest among the 'simple' hitches. Only the double constrictor is stronger. Because the constrictor may be tied in a bight, it is often preferred over the strangle knot.
For more information on the constrictor-knot-family you may visit the Constrictor-knot Family.
The double overhand knot is beautiful, thicker than the common overhand knot, but not any stronger. But use it with caution. The double overhand knot is also called the bloodknot when it is used at the end of a whip. This knot has several ways of tying and in principle two ways of working up. Both ways of tying shown here also show both results. The bloodknot shown in the middle is the preferred way of working up the second way of tying marked with the crosses. The bloodknot is very hard to untie after it has been under stress. If you put an object through the cross-marked hole the knot will work up as the strangleknot. It is usefull to practice this way.
This knot on the WEB.
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