Focus on getting the ball back into play ("make them play"), deciding whether to anticipate the ball before the glass or let it hit based on server precision, using proper pivot footwork when letting it hit the glass, and considering a lob if pushed back.
This information is really helpful if you struggle with returns, especially when the serve goes to the side glass. The coach emphasizes the most important thing is simply getting the ball back into play, rather than trying to hit a winner. You learn when to anticipate the ball early and when to let it use the glass. Understanding the proper footwork like pivoting is key for these tricky returns. It gives you practical options to keep the point alive and put pressure back on your opponents.