Mystery of the Shoe

Mystery of the Shoe Dad, I love my old brown shoes with their lace-up strings. They feel good, and they should For I wear them everywhere. You remember them. I’m sure you do. They have five eyelets on each side, You always remind me to keep them tied. Dad, I have a question about these old shoes— One string always works short. How does this happen? It was okay yesterday. It makes me work it back again, Pull slack from top to bottom and up the other side. No one seems to know what causes this. Do you? Perhaps it will always be the mystery of the shoe. Note-- This always happened to me as a kid, and now as an adult it still occurs. Does anyone have the answer?