This is a very advanced form and rarely seen outside of Chow Gar's inner door circle. This form develops rib bone power, which is a very high level and highly guarded practice for using Qi, breath and Ging with the expansion and contraction of the rib cage for short power and internal power generation. This is an amazing set and its practice yields many rewards and treasures to the diligent. 
 
We have been making this amazing knowledge available to practitioners for many years and have practically been giving it away in order to spread and safeguard this wonderful art. We are now changing this approach and will soon only offer this to direct students, so take advantage while this is still being offered.