Portable Pockets Acoustic Guitar Practice ToolThe Portable Pocket Guitar Practice Tool Guitar allows you to practice and improve your guitar skills in guitar unfriendly spots like cars, airplanes, the office, school, dinner table, and virtually any other place your pocket will fit. Extremely portable design makes it the ultimate go anywhere, play everywhere guitar practice tool. It features real steel folk strings and real frets (4 fret model), plus a strum pad for rhythm. Strings can be adjusted