Knot 15 - 1 hand square.AVI
Channel: CedarsSinaiOBGYN
Date: 2011-06-23

In response to concerns about square knots versus half-hitches in the setting on one handed knots.  Use at your own risk.  When in doubt just tie the way the attending is tying, and you will stay out of trouble.  These videos are mechanics and theory.  In practice, there are different rules.