Notice the caster wheels at the base. Inside, on the left is a foot pedal to engage the rotatable caster wheel, this is what helps you steer it off stage. In the up position, the clock won't roll at all.Notice the caster wheels at the base. Inside, on the left is a foot pedal to engage the rotatable caster wheel, this is what helps you steer it off stage. In the up position, the clock won't roll at all.