The “CW” stands for used yamaha c7 grand piano “cutaway,” which means that the guitar has a portion of the body cut away to allow for easier access to the higher frets.The used yamaha c7 grand piano “S6 Slim” Yamaha C7 Black Polish refers to the guitar’s slim profile, which makes it comfortable to play, especially for players with used yamaha c7 grand piano smaller hands. The “CW” stands for “cutaway,” which means that the guitar has a portion of the body cut away to allow for easier access to the higher frets.The “S6 Slim” refers to Yamaha C7 Black Polish the guitar’s slim profile, which makes it comfortable to play, especially for players with smaller hands. The “CW” stands for “cutaway,” which means that the guitar has a portion of the body cut away to allow for easier access to the higher frets.The “S6 Slim” refers to the guitar’s slim profile, which makes it comfortable to play, especially for players with smaller hands. The “CW” stands for “cutaway,” which means that the guitar has a portion of the body cut away to allow for easier access to the higher frets.The “S6 Slim” refers to the guitar’s slim profile, which makes it comfortable to play, especially for players with smaller hands. The “CW” stands for “cutaway,” which means that the guitar has a portion of the body cut away to allow for easier access to the higher frets.The “S6 Slim” refers to the guitar’s slim profile, which makes it comfortable to play, especially for players with smaller hands. The “CW” stands for “cutaway,” which means that the guitar has a portion of the body cut away to allow for easier access to the higher frets.The “S6 Slim” refers to the guitar’s slim profile, which makes it comfortable to play, especially for players with smaller hands. The “CW” stands for “cutaway,” which means that the guitar has a portion of the body cut away to allow for easier access to the higher frets.