Cross Guitar is a new type of folding guitar, which supports the body with a bracket structure, and the bracket can also adjust the height and support points, which can completely restore the feel when playing the guitar.

Classical guitar is a musical instrument with a long history. It has developed a complete theory of playing skills over hundreds of years of development.

How to prove Cross Guitar can have practical value must be discussed from the theory of guitar playing skills, and whether there is any contradiction between the two playing theories. Therefore, this article will compare the playing theory of important guitar musicians in history with the patent content of Cross Guitar to test the feasibility of Cross Guitar in actual playing.