Device Capable of Generating Superposed Shock Wave

A device capable of generating superposed shock waves, applied in a racket having a racket frame and having a racket string with a plurality of warp strings and a plurality of weft strings mutually woven to compose a string bed, and characterized in including:

• at least one first main body, formed as a hard medium, wherein a lateral wall member is convexly formed at one side or two sides thereof, a first string slot having an opening at a top end is formed at an inner side of the lateral wall member or the center of the two lateral wall members, a recess is formed at the bottom end of the first string slot, an arrangement of the lateral wall member and the two lateral wall members includes, but not limits to, a full segment or a middle segment of the first main body or a front segment and a rear segment in a staggering status or a rear segment and a front segment in a staggering status;
• and
• at least one soft medium, disposed in the first string slot of the first main body and allowing the racket string to be fastened.