Ways to Lace Your Shoes
For 12 eyelets, there are almost half a billion ways to lace your shoe. The bookmarks show some of the most common styles.
 I. Fieggen. "Ian's Shoelace Site." (Nov 25, 2012) www.fieggen.com/shoelace/index.htm.
 B. Polster and M. Ross. "What Is the Best Way to Lace Your Shoes?" The Age Education Resource Centre. (Oct 26, 2009) education.theage.com.au/cmspage.php?intid=147&intversion=31.
 B. Polster, "Mathematics: What Is the Best Way to Lace Your Shoes?," Nature, 420(476), 2002. doi:10.1038/420476a.
"Ways to Lace Your Shoes"
Wolfram Demonstrations Project
Published: December 20 2012