Shires High Copper Content Lozenge Full Cheek Shires High Copper Content Lozenge Full Cheek £28.00 This bit is currently out of stock please contact us for more details. A new bit from the Shires range. A brass alloy full cheek with lozenge. A warmer, comfortable bit than the original stainless steel french link. 16mm mouthpiece. Available in 4.5", 5" and 5.5".