Jörg & Cheyenne are challenged to build a machine that can skim a stone across a lake. Jörg designs a slinger that throws like an arm but isn't strong enough. Will Jörg's second design be powerful enough to compete with a stone skimming champion?
Enjoy never before seen footage and extended scenes of this hit series where Jörg Sprave and Cheyenne Reuther take on ambitious fan set challenges with surprising results, gnarly carnage and spectacular finales
