A indexing wheel mounted in the head assembly of a safety switch has an axis of rotation extending at right angles to the longitudinal axis of the plunger, and against whose lateral surface the plunger bears. The brake shoe has a lower surface for engaging the ground and providing a braking action if the vehicle is tilted or tipped. The means for exposing front portion of foot is the open or exposed area of the means for covering top of shoe, which exposes some, a portion, or all of the toes, and may include an additional indentation to expose some or all of the pinkie toe as well.