About SmithOnSafety:
The S.O.S. Air Brake Safety Clip is a simple device designed to eliminate the possibility of a disaster during repair or while parked. When properly used, the Safety Clip locks the air brake switch in the “up” or “engaged” position. With the Safety Clip in place, accidental “disengagement” is virtually impossible. Pets, kids or any innocent bump cannot accidentally disengage the air brake system.