Picture of What to do with your shoelace knots!
Many people like to wear Nike's/skate shoes and tuck the bow under the tongue of the shoe. I tried this and found that the knot was uncomfortable against my foot and often untied.

This instructable shows an extremely simple solution.

Step 1: Materials

Picture of Materials
          -Shoes! (these are really important)
          -Lighter/matches.... something that produces fire