"Every action has an equal and opposite reaction."
If I have an Action, I need an equal and opposite Action (not reaction) to have a complete wearable pair!
Only having Left along with Right shoe is useful.
Only being Left with Right shoe is useless.
Its also useless if Left shoe is not the Right size.
Action Shoes has not paid me to put this post.
Nor do I voluntarily endorse Action shoes. In fact I don't even own a pair/
Nor do I have any personal or impersonal enemity with Newton uncle.
I wrote this post just like that.