The left. It is said the devil sits over your left shoulder, spilling salt is supposed to bring bad luck upon yourself, and trowing the salt over your left shoulder therefore "blinding" the devil so he doesn't know who to bring the bad luck on.
left shoulder
your left shoulder
It dont matter eather one works
Traditionally and according to superstitions and folklore, the left shoulder.
Traditionally, if one is superstitious and spills salt, they should throw a pinch of salt over their left shoulder to ward off bad luck or evil spirits. This superstition comes from the belief that the devil tends to linger over one's left shoulder.
If you have supersticions, you throw salt over your shoulder to get rid of them
over your right shoulder with your left hand
You throw salt on your left shoulder.
Overhand Throw
salt
over the left shoulder
im pretty sure its your right shoulder