Ma used an old rubber bed slat strap that she had entitled "MOTHER" with a magic marker.
Dad was a hand spanking man but once used one of my shoes on my sister.
Step Dad was a traditonal military belt guy but sometimes reverted to Judo.
Teachers used various boards and some I think enjoyed it with great perverse alacrity.
Mom was the worst of the bunch though. She would just lose it.
There was none of that "wait till your Father gets home" nonsense.
None of it did any good though.
I used a wooden spoon on Junior and only had to talk after the age of 9 becuase I am a superior human being to those sadists.
What did they use on yours?