My 8 year old daughter got off the bus every day with her shoes untied. As an inventor I couldn't let the opportunity go. With my invention her shoes stay tied until we want them untied. Knottz is an elastic strap that wraps around a shoelace knot and keeps it from coming untied. Decorative elements can be added to the Knottz for children to dress up their shoes. Knottz come in lots of colors. The product is patent pending.