KNOT

Tue, 1 Mar '22

Shoelace or muscle problem

Sun, 23 Jan '22

"I'm a frayed ___" (punch line of a classic joke)

Wed, 18 Aug '21

Pretzel, basically

Mon, 14 Jun '21

Shoelace annoyance

Wed, 20 Jan '21

Granny, e.g.

Fri, 1 Jan '21

Metaphor for a tricky problem