Marty Fleckman, director of instruction at BlackHorse Golf Club, uses the butt end of a club in a drill with Jaime Ysita of Mexico City.BRETT COOMER/CHRONICLE Hit the butt. Take a baseball swing.

I go down some pretty intense instruction rabbit holes from time to time, mostly in a desperate search for answers about my own game. Last week, I came across a rather interesting exchange in the U.K.

One of the common problems we see with students at the Chuck Cook Golf Academy is too much lateral movement (not enough turn, too much slide) during the golf swing. A great drill to promote more turn ...