courtesy Animated Knots
The Square Lashing Knot is used to bind two poles together. The lashing is designed to be load bearing and can be used to create scaffolding. Although the two poles usually cross each other at 90 degrees, the Square Lashing may be used when the angle between the two poles is as little as 45 degrees.
Square Lashing Knots can be used to make a rectangular frame as shown here. Many applications have been described including: making support frames; when two trees are close enough, a table can be supported by a pair of poles or branches lashed horizontally either side of the trees; a fence can be constructed by driving poles into the ground and then joining them with bars attached with Square Lashing Knots; and a raft can be created by lashing bamboo poles across each other.
The turns surrounding the lashing at right angles exert a tightening effect on the lashing. These turns are known as Frapping Turns. Pulling them as tight as possible makes the Lashing more secure.
Flip through the slideshow to learn how to tie a Square Lashing
Start with a Clove Hitch around one pole. Twist short end around long and wrap the rope around both poles, alternately going over and under each pole about three or four turns. Tighten the lashing by surrounding it with three or four frapping turns. Finish with two or three tight half hitches.
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