Brass instrument the player of a brass instrument has direct control of the prime vibrator (the lips), brass instruments exploit the player's ability to select the harmonic at which the instrument's column of air vibrates. By making the instrument about twice as long as the equivalent woodwind instrument and starting with the second harmonic, players can get a good range of notes simply by varying the tension of their lips (see embouchure). Most brass instruments are fitted with a removable mouthpiece. Different shapes, sizes and styles of mouthpiece may be used to suit different embouchures, or to more easily produce certain tonal
Bit mouthpiece in other nations. Seen in many jumping disciplines. Types of Bits: snaffle What it is: Similar to the French-link, except there is a round "ball" on the middle link. Action: double joint reduces the nutcracker effect. The ball tends to concentrate pressure on the tongue. More severe than the French link, less than the Dr. Bristol. Also applies pressure to the lips and bars of the mouth. Materials: Usually stainless steel Use: Rather rare type of mouthpiece, seen in the English disciplines. Permitted in dressage. Types of bits: snaffles What it is: Double jointed bit similar to a French link,