Using the cassette is simple. Just pop it into your cassette player and enjoy your favorite tunes. The tee can be worn casually for daily outings or paired with other clothes for a more stylish look. When it comes to the cassette, keep it away from magnets and extreme temperatures to maintain its quality. For the tee, follow the washing instructions on the label. Wash it in cold water and avoid using harsh detergents to keep it looking new for a long time.