Here's an aid we use all the time to help a person feel the lag and release in the golf swing. The Swing Fan is a must if you are looking for some more power

The National Golf Academy is located in Calgary Alberta, Canada. The NGA operates year round out of its GOLF DOME in south Calgary where we offer winter player development programs, winter practice memberships and more.
The NGA also operates at 3 outdoor venues including Shaganappi, Confedration Park and McCall Lake.