Golftec

I had a Golftec lesson on Monday morning. Although I have been debating whether I want to stick with lessons at Golftec or go in a different direction, I decided to buy a large package of lessons. Their approach of visually comparing your swing to a pro's swing works for my brain. The struggle is my swing continues to be too vertical. Intellectually, I know what I am doing wrong. I am just having trouble changing fifty years of muscle memory...