Sportsheets The Motivator Crop. Even if you already own a crop, you will want to add The Motivator to your collection. This well crafted accessory features a brief shaft, extra firm grip and long slim leather impact zone for ultimate control. Includes: 1 crop measuring 20 inches in length. Materials: Cowhide Leather 34%, TPR 31%, Fiberglass 20%, PVC 10%, Polyethylene 4%, other 1%