The dummies are developed by a father and son.
Owner, design engineer, coach
Runs the development and engineering office Coufal-design. He used to fence competitively and has been coaching intensively since 2008, when he founded the club 1.FC Bělá pod Bezdězem. He designs and builds the dummies.
Czech national team, tester
Has fenced épée for more than 15 years with consistent top placings in Czech national competitions. He represents the Czech Republic in the senior category, tests the dummies in his own training and helps tune them.
Profile at fie.org