This reminds me of trying to explain how left handed scissors function. Give 'em a piece of paper with a straight line down the middle and a pair of right hand

This reminds me of trying to explain how left handed scissors function. Give 'em a piece of paper with a straight line down the middle and a pair of right handed scissors, then instruct them to cut accurately along the line using their left hand. Afterwards ask them why they are holding the scissors on the right hand side of their body.