GENERATE EASY POWER ON THE SERVE - HARNESSING THE COIL AND RACQUET DROP. Former top 100 ATP pro Jeff Salzenstein will show you how to generate easy power on the serve by maximizing your coil and ensuring a relaxed racquet drop. In this video, Salzenstein explains how your base affects your coil, and why a great coil is important for a great serve. He also shows how to develop a relaxed racquet drop that results in maximum racquet head speed on the serve. Watch this video and turn your serve into a game changing weapon.