Hah! An interesting language snippet where a bike tech talks about teaching tightening and loosening and how clockwise and anticlockwise doesn't mean anything to kids any more — The Truth About eBike Maintenance:

I thought of a of a different way to show tightening and loosening. We can't say clockwise and counterclockwise anymore, right?

Cuz they all Carry a cell phone, which way does the cell phone turn when it's clockwise?

But the concept of tightening and loosening that muscle memory is so important.