From my perspective learning the complete Snake Form from Masters John and Alan Ding was an opportunity not to be missed.
From everything that both Master Dings had told me over the years I understood that this form was the result of all those years of intensive (and often brutal) training that Grandmaster Ip Tai Tak undertook in over 30 years of almost daily one-to-one training under Great Grandmaster Yang Sau Chung. As 1st disciple, it was Master Ip’s duty to deal with the many challenge matches that took place on behalf of Master Yang Sau Chung. It was protecting the honour of the Yang family that led to Master Ip receiving a level of Yang style martial training that has rarely been seen outside of the Yang family itself. As in older times this knowledge was passed to him through hands-on application training and push