Shoe Laces are like pulleys when you put your finger to your shoe lace and then pull!they are like pullys because you can put a weight on one side and balance it out over a roller.
six fold
In England In 1790 as the shoe laces we know of now but shoe laces have been in use since 7000bc, if not further by tying a leather cord into the shoe.
Shoe laces
If your shoe laces are not tied, you could step on a shoe lace and trip over.
'Loafers' are slip-on shoes that have no laces.
Shoe laces are a type of pulley system, which can be classified as a simple machine. By pulling on the ends of the laces, you can tighten or loosen the shoe to fit around your foot.
Because they are like ropes
Because they keep your shoe on!
You can buy shoes laces for any pair of shoes in a number of different places. Some places you can buy shoe laces from are Finish Line and Footlocker. You can also buy shoe laces online.
Running shoelaces tend to be thinner. This keeps the knot from slipping when you tie the shoe.
most shoe stores sell shoe laces. If you still can't find them go on Amazon or ebay or something like that