{{Knot-details
, name=Round turn and two half-hitches
, image=Anderthalb Rundtörn mit zwei halben Schlägen.jpg
, names= Round turn and a half-hitch, Two round turns and two half-hitches, etc.
, type= hitch
, strength=
, origin=
, related=
Two half-hitches
Two half-hitches is a type of knot, specifically a binding knot or hitch knot. One variety consists of an overhand knot tied around a post, followed by a half-hitch. This knot is less often referred to as a clove hitch over itself, double half-hi ...
,
Clove hitch
The clove hitch is a type of knot. Along with the bowline and the sheet bend, it is often considered one of the most important knots. A clove hitch is two successive half-hitches around an object. It is most effectively used as a crossing knot ...
,
Buntline hitch
The buntline hitch is a knot used for attaching a rope to an object. It is formed by passing the working end around an object, then making a clove hitch around the rope's standing part and taking care that the turns of the clove hitch progress ' ...
,
capstan equation
The capstan equation or belt friction equation, also known as Euler-Eytelwein's formula (after Leonhard Euler and Johann Albert Eytelwein), relates the hold-force to the load-force if a flexible line is wound around a cylinder (a bollard, a w ...
, releasing=
, uses= Secure the end of a rope to a fixed object.
, caveat=
, abok_number= #1720, #1721, #1784, #1834, #1835, #1836, #1883, #1884, #1910
The round turn and two half hitches is a
hitch used to secure the end of a
rope
A rope is a group of yarns, plies, fibres, or strands that are twisted or braided together into a larger and stronger form. Ropes have tensile strength and so can be used for dragging and lifting. Rope is thicker and stronger than similarly ...
to a fixed object. The name refers to the components used to form the
knot
A knot is an intentional complication in cordage which may be practical or decorative, or both. Practical knots are classified by function, including hitches, bends, loop knots, and splices: a ''hitch'' fastens a rope to another object; a ' ...
: a
round turn
A turn is one round of rope on a pin or cleat, or one round of a coil. Turns can be made around various objects, through rings, or around the standing part of the rope itself or another rope. A turn also denotes a component of a knot.
When the l ...
wraps the rope around the object (completely encircling it) and the two
half hitch
The half hitch is a simple overhand knot, where the working end of a line is brought over and under the standing part. Insecure on its own, it is a valuable component of a wide variety of useful and reliable hitches, bends, and knots.
Two ...
es secure the end around the standing part. Variations of this hitch can be made with differing numbers of turns and half-hitches; an example is illustrated below. With additional turns, it becomes a
pipe hitch
A pipe hitch is a hitch-type knot used to secure smooth cylindrical objects, such as pipes, poles, beams, or spars. According to ''The Ashley Book of Knots'', a pipe hitch is "used to lower a pipe or hoist one" and as "another method of tying ...
.
frame, left, Two round turns and three half hitches.