Decathlon and IWKA WingTjun martial arts event Post author:kungfumaster Post published:November 28, 2018 Post category:Sport Productive day at Decathlon in Slough, introducing people to IWKA WingTjun. You Might Also Like Monthly Instructor training in September 2018 May 3, 2016 2018 IWKA martial arts Christmas dinner gathering November 28, 2018 2018 IWKA Summer Camp November 14, 2018