Automatic In-feed system for the JayCraft Potato Batch Peeler. JayCraft Potato Batch peeler, which is for peeling potatoes, carrots and swede. The rumbler is designed for the removal of the outer skin of most root crop vegetables such as Potatoes and carrots. Along with our slightly more robust abrasive rumbler, which is suitable for both Swede and Turnips. The abrasive drum and plate gently remove the skin from the product, leaving a smooth finish. With a built-in control panel, it will give you the flexibility for timed loading, peeling, and discharge.