What do you call a line of men waiting to get haircuts?

setup: What do you call a line of men waiting to get haircuts?

((MUSIC PLAYING: Hello Vietnam)) ▎ Kiss me goodbye and write me while I’m gone ▎ Goodbye my sweetheart, hello Vietnam

(([Manyfeek] sullen. sitting in barber chair. hair being sheared off by barber))

((MUSIC PLAYING: Hello Vietnam)) ▎ There’s fighting that will break us up again ▎ Goodbye my sweetheart, hello Vietnam

(([KayCEE] sobbing. sitting in barber chair. hair being sheared off by barber))

((MUSIC PLAYING: Hello Vietnam)) ▎ A hill to take, a battle to be won ▎ Goodbye my sweetheart, hello Vietnam

(([BILL] already bald. barber confused. [BILL] shrugs))

((MUSIC PLAYING: Hello Vietnam)) ▎ So kiss me goodbye and write me while I’m gone ▎ Goodbye my sweetheart, hello Vietnam

(([GAMS] sitting. barber tosses razor and leaves))

punchline: A barberqueue.