the MOST spin from a string? | YTex Quadro Twist Tennis String Review - YouTube
YTEX Strings - Can't go wrong with YTEX! I recently received my 2 reels of Quadro Twist black that I ordered and I absolutely LOVE IT!!! I previously was using Square X
Amazon.com : YTEX Quadro Twist Black Tennis Racquet String Set (16 Gauge, 1.26mm) : Sports & Outdoors