Learn all of squash fundamentals, free e-book: http://goo.gl/d83Ak5
Related article: http://adf.ly/Thn9m
In this video Gallo from http://www.squash-tips.com teaches you how to make a boast.
The boast is done by rotating yourself so that you are facing the back corner.
If you are making an attack boast try to aim as low as possible but make sure the ball doens’t bounce on the other side wall otherwise it will bounce back to the center.
When making a defense boast make sure it is as high and as slow as possible to make sure that you can recover to the T.
Weekly tips @ http://www.squash-tips.com
Daily tips @ twitter.com/squash_tips