Abstract: A golf club comprises a shaft, a head and a weight device. The shaft has a tip end, a butt end and a tunnel therein. The head is secured to the shaft at the tip end thereof. The weight device is installed in the tunnel of the shaft for free sliding. The weight device is changeable in shape, such as metal sands, metal balls and liquid etc., so that the center of gravity of the weight device can close to the tip end and the butt end of the shaft as possible when backswing and downswing.

Abstract: A game racket has a head frame consisting of a string protective strip and a shock-absorbing strip. The string protective strip is provided with a plurality of string protective jackets tubular in shape and having an axial through hole. The string protective strip is secured to a recessed portion of the outer wall of the head frame such that the string protective jackets are received in the string holes of the head frame. The shock-absorbing strip is provided with a plurality of shock-absorbing bodies each having a fitting portion, a shock-absorbing portion and a through hole for accommodating the string. The shock-absorbing strip is secured to a recess of the string protective strip such that shock-absorbing bodies are fitted into the axial through holes of the string protective jackets, and that the shock-absorbing portions of the shock-absorbing bodies are exposed from the free ends of the string protective jackets.