Dont lose precious marks through tongue evasions! Innovative lightweight, elegant cheek design- The forward cut port is very cleverly designed giving generous tongue relief without causing upper palate interference- It is extremely popular with the large tongued KWPN, Hanoverians etc- This design has often proven the solution to many long term tongue evasions- The 14mm normally offers extra lift from the shoulder and takes up less room in the mouth than thicker mouthpieces.