Yep, sure is. He addresses that on the knot's Technical Info page: http://www.fieggen.com/shoelace/secureknottech.htm http://www.fieggen.com/shoelace/secureknot

Yep, sure is. He addresses that on the knot's Technical Info page: http://www.fieggen.com/shoelace/secureknottech.htm http://www.fieggen.com/shoelace/secureknottech.htm