New, never opened! In original case. 100% guaranteed! Former Guinness World Record Holder Don Warrener was the World Record Holder of Brick Breaking when he broke 3,744 bricks in 4 hours and 40 minutes without injuring himself. In this tape you will see some of the excerpts of that event, and you will learn how to hit a makiwara post properly, and at the same time you will see several examples of his students smashing boards 3 at a time, four at a time, and many more extraordinary feats that only those who want real power should watch and learn from. Featured in many magazines around the world. Warrener also teaches all you really want to know about Makiwara, and Tameshiwara, and what it really is all about, and why everyone should practice both Conditioning and breaking techniques.