When I was in first grade, my form teacher spanked the palms of out hands with a ruler, and knuckles with a whiteboard marker if we forgot to do our homework or bring our books to class.
Thinking that it would affect our studies, our parents forbade us from playing video games when we were children. There were times when I snuck up to play my GameBoy Advance, which my mother confiscated at that time, and ended with me being hit with a rattan cane. However, not only was punishment ineffective in curbing my addiction but rather, above all, taught me not to get caught the next time.
Even though he never shouted at nor spanked us, my father used his religion as a tool to instill fear in us, warning me that unfilial children have hellish punishments reserved for them in the afterlife.