Canonical Name: hangman's noose.
Variant Names: None.
[completed picture]
Category: loop on the end.
Origin: Ancient.
Related knots:
Releasing: Non-jamming.
Efficiency: Unknown%.
Caveat: Never place loop around someones neck.
Uses: Traditionally used for executions.
Comments:
Structure:
Tying: article/pictures
http://www.geocities.com/roo_two/hangmansnoose.html