Originally Posted by Wegner
There is a good drill that works marvelously on shaping groundstrokes.
If you are a right-hander, on the forehand finish, touch the left cheek with the back of your right hand.
On the two-handed backhand, touch your right cheek with the back of your left hand.
The butt of the racquet, at the finish, will be pointing towards where you aimed the shot.
Do it gently but consistently. It will improve your stroke.
Seems to be OK as long as done gently as advised.
For those who want further clarification, here cheeks refer to the parts of the face.