Decathlon and IWKA WingTjun martial arts event kungfumaster November 28, 2018 Sport Productive day at Decathlon in Slough, introducing people to IWKA WingTjun. You Might Also Like Sifu Mauro Gibin Tai Ji Lessons November 11, 2018 2018 IWKA Summer Camp November 14, 2018 2018 Monthly Instructor Training October October 19, 2018