Key features of Kitty String's "Whip" Yoyo Strings: Heavy String Format: Experience the unparalleled whipping action with our "Whip" strings, engineered to provide a much whipper and heavier feel, perfect for executing those mind-blowing tricks with precision. Optimal Twist Tension: Our precision-engineered "Whip" strings maintain superior twist tension, ensuring consistent and reliable performance during even the most intricate tricks. Exemplary Durability: Rest assured, Kitty String's "Whip" strings are built to withstand hours of intense play, allowing you to focus on perfecting your skills without worrying about frequent replacements.