Unfilled design for weight and firmness: the dummy comes unfilled so you can tailor its resistance to your training needs. It is easy to fill with materials such as sand or cloth scraps. Realistic size and form: designed to mimic the size and shape of a human opponent to deliver a realistic training experience for both beginners and advanced practitioners. Skill development across grappling disciplines: an effective tool for improving grappling techniques, throws, and submissions, making it a valuable addition to any home gym or dojo. Versatile training tool: suitable for practicing a range of activities including wrestling, grappling drills, boxingrelated movements, and other sports you train for. Use scenarios Solo practice at home or in a gym: weight to simulate different opponents and drill takedowns, grips, and submissions without a partner. Dojo warmups and technique reps: use for repeated practice of transitions, control, and positioning with a realistic feel. Conditioning and performance drills: incorporate into routines for balance, body control, and grip strength across multiple sports. It should be noted that the content you provided does not contain information related to inducing aftersales refunds, inducing contact information, or inducing . Therefore, the content remains basically unchanged after optimization. If you have other specific requirements or need further modification, please let me know.