Here's a technique to tie the essential climbing knots with one hand. These two videos will provide a sampling. So far, these have been mapped out: clove, anchor, buntline, fig-8 in line, fig-8 on a bight, butterfly, munter, slip, bowline and fisherman.
OVERVIEW
http://www.youtube.com/watch?v=i_6VhBjA-Fo&feature=channel_page
MUNTER IS A BUILDING BLOCK TO OTHER KNOTS
http://www.youtube.com/watch?v=3R2bB1JBBDs&feature=channel
These are the benefits:
1. Ability to tie when only one hand is free
2. Learning mechanism
OVERVIEW
http://www.youtube.com/watch?v=i_6VhBjA-Fo&feature=channel_page
MUNTER IS A BUILDING BLOCK TO OTHER KNOTS
http://www.youtube.com/watch?v=3R2bB1JBBDs&feature=channel
These are the benefits:
1. Ability to tie when only one hand is free
2. Learning mechanism