In reference to knots, loop may refer to: One f the fundamental structures used to tie knots. Specifically, it is a U-form narrower than a bight. A type of knot used to create a closed circle in a line.

Square Knot

Fisherman’s Knot

Double Fisherman’s Knot

Sheet Bend

Clove Hitch

Two Half Hitches

Taut Line Hitch

Timber Hitch

Constrictor Knot

Slip Knot

Bowline

Bowline Casting Method

Figure-of-Eight Knot

Threaded Figure of Eight Knot

It is made symmetrically to hold securely and to be easy to untie. Example of this is for tying bundles and packages.

It is a knot for joining two lines with a symmetrical structure consisting of two overhand knots, each tied around the standing part of the other.

• Also called grapevine knot.

• It is a knot used to join two lengths of rope.

• This knot and the triple fisherman’s knot are the variations used most often in climbing, arboriculture, and search and rescue.

• This knot is used for temporarily fastening one rope through the loop of the another.

• It can also be used for tying ropes of different sizes.

• It is a kind of knot by which a rope is secured by passing it twice around a spar or another rope that it crosses at right angles in such a way that both ends pass under the loop of rope at the front.

• This knot is commonly applied in tent pitching or attaching rope to a peg.

• It is a type of knot, specifically a binding knot or hitch knot.

• It consists of overhand knot tied around a post, followed by a half-hitch.

• Equivalently, it consists of a half-turn around a post followed by a clove hitch of the running end around the standing part.

• It is an adjustable loop knot for use on lines under tension.

• It is useful when the length of a line will need to be periodically adjusted in order to maintain tension.

• It is made by tying a rolling hitch around the standing part after passing around an anchor object.

• This types of knot is applied in tying a tent guy line. 

• In order to tighten or loosen the lines, push the hitch downward or upward.

• This knot is used to attach a rope to a log or spar.

• In the mountain it is use to raise logs, drag them over the ground or push them through water.

• It is one ot the most effective binding knots.

• Simple and secure, it is a harsh knot that can be difficult or impossible to untie once tightened.

• It is made similarly to a clove hitch but with one end passed under the other, forming an overhand knot under a riding turn.

• It is a running knot that can be undone by a pull.

• This types of knot is applied for tying pieces of firewood, bundling up a rolled sleeping bag or tent.

• This is an ancient simple knot use to form a fixed loop at the end of the rope or loop that will not close.

• It has the virtues of being both easy to tie and untie; most notable, it is easy to untie after being subjected to a load.

• It is sometimes referred as King of the knots because of its importance.

• It is called the rescue knot.

• If synthetic rope is used to tie this knot, it will be less reliable. 

• It is a good idea to secure the end with extra half hitch, or tuck it and trap it beneath one of the rope strands.

• It is a type of stopper knot.

• It is very importance in both sailing and rock climbing as a method of stopping ropes from running out of retaining devices.

• Are applied to help anchor inexperience climbers.

• This is the most common way of attaching a rope to the harness.

Ropes are essential in climbing.

It has low stretchability, some don’t even stretch at all.

• It has the ability to stretch and is more elastic than a static rope.

• This kind of rope is often used in rock climbing.

• Small ones have variety of uses: from securing a tent to making a clothesline.

• Larger one can provide safety to the climbers.

• Only kern mantle ropes can be static only.

• This types of rope can be natural or synthetic; fibers are twisted into yarns, the yarns are twisted into strands, and the strands are twisted into rope.

• It is also known as Hawser rope with a diameter of around 11mm and made of strong nylon mark an excellent general mountaineering rope.

• It is ideal for river crossing as a safety line.

• It came from German kern, meaning core and mantle, meaning sheath.

• This construction and special materials give the rope a high tensile strength, superior protection for abrasion, and comparative freedom from twisting.

• It is available in a number of diameters ranging from 5mm (accessory cords) to 11mm.

• Due to its ability to stretch, it is best for rock craft.