Nauseating tool captured on phone and uploaded to YouTube in the US . Teacher attempts to give revenge by showing effect of an axe on a concrete slab , but accidentally swing , bringing it directly into fellow teacher 's groin . The tool appears to be OK and stands up and dusts himself off moments after being hit .
Nauseating footage captured on phone and uploaded to YouTube in the US . Teacher tries to give lesson by showing effect of an axe on a cinder block , but misjudges swing , bringing tool directly into fellow teacher 's groin . The victim appears to be OK and stands up and dusts himself off moments after being hit .