prison keysthe prison keys keychain has been hand cut from a butter soft full grain washed 1. 8mm vegetable tanned culatta leather with a signature iron dye finish. the keychain features a single piece pattern construction using 0. 7mm hand waxed japanese linen thread. a distressed and corroded swivel clip is complimented by hand forged iron hardware and . 925 hammered and slow oxidised key rings. each piece comes in a handmade calf leather pouch.