Adjustable Palley Jockey for "Walkie" Trucks. The Pallet Jockey is a simple device that allows drivers and warehouse personnel to efficiently unload sideways pallets with their "Walkie" powered pallet trucks without wasting valuable time and resources. The adjustable unit is designed to fit various types of electric pallet jacks. To use simply loosen wing bolts and slide adjustable brackets to proper slot, then tighten wing bolts.