Bow tie

The bow tie /ˈboʊ/ is a type of necktie. It consists of a ribbon of fabric tied around the collar of a shirt in such a symmetrical manner that the two opposite ends form loops. Ready-tied bow ties are available, in which the distinctive bow is sewn and a band goes around the neck and clips to secure. Some "clip-ons" dispense with the band altogether, instead clipping to the collar. The traditional bow tie, consisting of a strip of cloth which the wearer has to tie by hand, may be known as a "self-tie," "tie-it-yourself," or "freestyle" bow tie to distinguish it from these.

Bow ties may be made of any fabric material, but most are made from silk, polyester, cotton, or a mixture of fabrics. Some fabrics (e.g., wool) are much less common for bow ties than for ordinary four-in-hand neckties.

A modern bow tie is tied using a common shoelace knot, which is also called the bow knot for that reason.

https://en.wikipedia.org/wiki/Bow_tie