Stopper and musical instrument stand

A musical instrument stand comprising a stopper attached to a leg of the musical instrument stand and configured to come into contact with an installation surface for the musical instrument stand, wherein

• the stopper includes:
• a first contact portion including a first contact surface that comes into contact with the installation surface;
• and
• a second contact portion including a second contact surface that comes into contact with the installation surface, the second contact portion being configured to protrude from and retract into the first contact surface, and
• the stopper is configured such that
• the second contact portion always protrudes from the first contact surface in a state in which the first contact surface is not in contact with the installation surface, and
• the second contact surface is in contact with the installation surface in a state in which the first contact surface is in contact with the installation surface.