Dalibor Svrcina, backhand back view, 240 fps [70L5yhKchW1] Published in Everyday Knowledge December 2015, Prostejov www.swinganalyst.cz WhC8FJpM9si 2XAaH0AxX5G rQ75bvjJFoi G4bWvle2xoU yq64uiXal20