The Skyline 3-60 can produce strong and varied rotations, with distinct layers supported by flexible sponge, and more diverse changes in arc ring technology. The combination of adhesive rubber and high elasticity sponge brings users a 1+1>2 effect.The performance of sponge No. 60 in terms of speed and elasticity enables Tianji 3-60 to maintain high speed even under small and medium forces. The combination of flexible rubber and elastic sponge allows for fast attacks or circular arcs, which can be easily converted through small changes in the wrist, leaving opponents at a loss.