Musical instrument practice devices, namely, devices for practicing guitars, acoustic guitars, electric guitars, base guitars, acoustic bass guitars, electric bass guitars, double basses, lutes, violins, cellos, violas, ukuleles, mandolins, and banjos

Musical instrument practice devices, namely, devices for practicing guitars, acoustic guitars, electric guitars, base guitars, acoustic bass guitars, electric bass guitars, double basses, lutes, violins, cellos, violas, ukuleles, mandolins, and banjos