If you can't serve you can't win. Spending a bit extra time working on your serve can definitely tip the scale in your favor.
Killerspin Serving Trainer is a great aid to perfecting your serving. It's ideal for practicing low and challenging serves. Killerspin serving trainer forms a space between the ping pong net and trainer, and in that way it helps you improve those challenging, low serves such as the low underspin serve. It can be added to any standard net, and its black finish will fit right in with some of the most high-end table tennis tables.