Bass Clarinet: Beginner Guide — Music & Arts
TOR / Creation & Teaching / Recommended External Content
“A bass clarinet has a neck instead of a barrel, and the bell of the instrument has a slot for a peg on the back of it. The peg is there to support the weight of the instrument on the ground while player is sitting.”
https://www.musicarts.com/cms/student-resources/an-introduction-to-the-bass-clarinet/