This Karate exercise is over 100 years old yet using modern equipment. The Tan is a traditional tool of Hojo Undo Karate equipment. Traditionally a wooden handle with stone or concrete wheels, this equipment can be replaced by a straight dumbbell. Go to Udemy.com and search “Isshinryu Karate,” “Jonathan Oshita” or “Dissect the Dissection of Isshinryu Karate” to learn Isshinryu Karate from Oshita Sensei.

https://www.udemy.com/user/jonathan-o...