Volleying at the feet of a player moving in
When one opponent tries to move forward from the back, a common pattern is to volley low at their feet as they arrive, before they can settle at the net.
Schritt 1
You are at the net. One of them starts to move forward behind their shot.
Schritt 2
You volley low towards their feet.
Schritt 3
They have to play the ball up from a low position, and you are ready for the next volley.