Aiglet refers to the plastic Sheath at the end of a Shoe lace or a plastic bit wrapped around the ends of a Shoelace which makes the lace easier to thread through the eyelet holes of the shoe/footwear.
Aiglet also refers to a metal tag attached to a ribbon used to fasten articles of clothing. They were popular during the late Middle Ages and Tudor period, although today they are still found on some traditional military costumes. They were replaced by buttons or hooks as fastening devices.
Aiglet is also called Aiguillette or Aglet.