Page 25 - Gibson W.B. "The complete guide to knots"

17
The Granny Knot

This is simply a mistaken form of
the Square Knot; the rule of keeping
the same end front is not applied.
When you tighten a Granny, its
make-up is easily noted in a rope,
because it fails to pull flat, one half
being tied forward, the other half
backwards, so to speak (fig. 3).
Often, a Granny Knot will jam,
making it difficult to untie. Or, in
perverse fashion, it may slip instead
of remaining tied. For this reason, the
Granny has been branded "the most
dangerous of knots," though it does
fig. 1
not quite deserve that stigma.

fig. 2

fig. 3