Yeah I practiced this form (something like sai ma lin wan). there are other forms found in some PM schools in VN like Dan jing (singular force), even one I don't remember in chinese borrowed from another style by a late master (obviously with PM principles added) : turtle hiding under lotus leave or something like that.
There are definitely differences compared to HK schools, Tsang hue Bok being classified as an "early" disciple compared to the main HK lineages...
There are definitely differences compared to HK schools, Tsang hue Bok being classified as an "early" disciple compared to the main HK lineages...