Alpine butterfly knot

Table of contents

1 Canonical Name
2 Variant Names
3 Category
4 Origin
5 Related knots
6 Releasing
7 Efficiency
8 Caveat
9 Uses
10 Comments
11 Structure
12 Tying

Canonical Name

alpine butterfly knot.

Variant Names

butterfly knot, lineman's loop (Ashley).

Category

loop on the bight.

Origin

Related knots

Releasing

Efficiency

Unknown%.Compared to other knots that might be used for the same purpose it is stronger (does not reduce the strength of the rope by as much).

Caveat

None, secure if wet.

Uses

Climbers and mountaineers use it in order to tie on in the middle of a rope; they also use a double figure-of-eight knot for this purpose.

Comments

Structure

Tying

article/pictures

http://www.geocities.com/roo_two/butterflyloop.html