Mike Sullivan, Director of the Mike Sullivan golf school has made a great little video explaining what the slot is. He also gives two drills that you can use to help you train your downswing to find the slot and hit longer more powerful shots that fly straight or who knows even have a slight draw on them.
Watch on YouTube (in new window)
A 4.04 minute video featuring Mike Sullivan.
Check out all 4 videos featuring Mike SullivanHow to hit a driver consistently
Swing Thoughts
Easy Tip to better Putting and Lower golf scores