You need a level head

Too many club golfers get themselves in to trouble by either raising or dipping their heads when they swing.
This because raising the head promotes a steep, slice inducing swing path, while dipping causes a reverse-weight shift that prevents a proper release.
The cure? Practice by teeing up a ball and with your head level, picking it off the tee cleanly with a five iron.
Only with a level head can you clip the ball cleanly