A Better Way to Learn, Teach, and Perform New Skills?

Ever have one of those days in the practice room, where as soon as you fix one issue, another problem pops up? And just when you think you have that problem solved, the original thing "breaks" again? And when you try to think about both of those things, a third issue emerges?This practice room whack-a-mole problem can be kind of frustrating. But it speaks to how difficult it can be to keep multiple things in mind simultaneously when the various parts of a new skill aren't yet in muscle memory...