5.When playing you should not press the instrument onto your lower lips and teeth, just hold it that tight that air can not break out. The reed must be able to swing as freely as possible. If you find pressing the reed on your lower lips makes the sound better, you should experiment with different reeds (softer ones) and other mouthpiece lays. You will probably find the right pressure by pressing the mouthpiece firmly against the upper teeth (later your lip and cheek muscles will be trained enough to pull the lower lip tight and close the upper around the mouthpiece easily).