http://evolve-university.com Evolve University is the largest world championship online university for martial arts. In this video, multiple-time Muay Thai World Champion Penake Sitnumnoi demonstrates a heavy bag drill to improve kicking speed, consistency, balance, and power. With World Champions in Muay Thai, Brazilian Jiu-Jitsu, Mixed Martial Arts, Boxing, Submission Grappling, Wrestling, and more, Evolve University is one of the most comprehensive mixed martial arts universities in the world. In viewing this video, you agree to the following Legal Disclaimer in this link http://evolve-university.com/legal-disclaimer.html Participation in the activities and the use of the services offered by Evolve naturally involves the risk of injury to you or your guest(s), whether caused by you or someone else. Specific risks vary from one activity to another and the risks range from minor injuries to major injuries, such as catastrophic injuries including death. In consideration of your parti