Bowties were often worn, mainly by men, in the old days. Nowadays, Bowties are usually good additions to be worn as costume accessories. They are also worn by themselves for certain occasions and seasons, such as Halloween and Christmas.
It is very similar in the case of suspenders, which were also worn, mainly by men, before the 1950s. One of the most worn Suspenders are the ones similar to the ones worn by people, especially 'Gansters' in the old days.