Focus on getting the racket up high during preparation, contacting the ball at head height in front of you, using a high-to-low motion for slice spin, and ensuring the ball stays low off the back glass to keep opponents back.
Ewan does a great job breaking down the bandeja in this. He explains the purpose of the shot, which is crucial for maintaining your position at the net. He simplifies the technique, focusing on preparation, contact point, and adding a little spin. This is very helpful if you are just starting to learn this fundamental overhead shot.