An escalator or moving walk has respectively a step band and steps, or a moving walk with a pallet band and pallets. A balustrade has a handrail that is held by a balustrade skirt. Arranged on the balustrade skirt is a wedging guard apparatus or deflector apparatus that prevents wedging or pinching of objects and persons between the steps and the balustrade skirt. The wedging guard or deflector apparatus has a carrier or base section and a brush unit that is arranged on a vertical area of the balustrade skirt. The carrier or base section has fastening parts for vertical mating or joining with the brush unit.