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, Thermoplastic Rubber TPR, Fiberglass, PVC, Polyethylene, other.