The differnece between a low and high chip trajectory is simply the clubface on the backswing, keep it hooded to hit it low, open it up a little to hit it higher
Your naturally arms curve inwards, so you need to place the club in your left hand using this angle so that your clubface can return to impact square
It is critical to feel the weight of the clubhead throughout the swing, and this is accomplished by creating an awareness about the weight of the clubhead