Bjj X-guard lapel sweep with black belts Winson Ramos and Stephan Seidl ブラジル柔術

From a seminar with black belts Windson Ramos and Jacqueline Amorin at Kaisho, Sweden, jan 2016:
Sweep from single leg x-guard with lapel inside legs with black belts Windson Ramos and Stephan Seidl