I have a pair of crosstrainers I use for the gym. It has these fancy rounded laces ... which keep coming undone. Even with a double knot, a few minutes later, the knot slips.
Then I thought of velcro shoes ... and wondered if they still made them.

h:
Velcro shoes were all the rage growing up, that I didn't learn how to properly tie a shoe until 3rd / 4th grade.

h: