Pak Chas Clements Chas Clements is Co-Founder of KunTao Silat and one of the original Kun Lun Pai, a name given to a group of five men then surrounding and supporting the de Thouars Brothers in Denver, Colorado by Bill Chang {U. Un Surya}. Chas’ system, Pentjak Silat Betawi Muda is his personal martial lifestyle; […]