Unlike most everyone else in the world, Burkard Polster gave this question a lot of thought, often at night. "Instead of counting sheep, I might count lacings," said Polster, a mathematician at Monash ...

The 2n eyelets of an idealized shoe are the points of intersection of two vertical lines and n equally spaced horizontal lines in the plane. The two columns of eyelets are one unit apart, and two ...

Instead of the usual metal eyelets most shoes are equipped with, speed hooks are metal hooks which make lacing, as the name implies, speedy. Rather than having to fuss about, threading each lace ...