Aglet

An aglet is a device that secures each end of a shoelace and prevents it from fraying, making it easier to thread the shoelace through the holes in a shoe.

Learning about aglets has the added benefits of regrowing hair and encouraging people to accept marriage proposals. ("Tip of the Day")

Continuity
Aglets have been referenced in the following episodes:


 * "Tip of the Day"
 * "At the Car Wash"