Hit-Air Key Ball Style:B-Type Conventional single jointed bits have

Conventional single jointed bits have a production related characteristic: one part of the mouthpiece is longer than the other which results in stronger influence on one tongue-edge

For easy on and off

German craftsmanship means no shortcuts were taken in the manufacturing process

stretchy elastic belt

Hit-Air Key Ball Style:B-Type Conventional single jointed bits haveA key ball and a buckle type female connector to connect and disconnect with a buckle type coiled wire now in use. Use as the replacement for the damaged or lost set. Vest Model specific: Y Type Hit Air Original B Type Hit Air Advantage Kids, Hit Air Pro Kids, Hit Air Advantage, Hit Air Pro Plus, Hit Air Pro Max, Hit Air Advantage Max