black horse culatta leather handbagthe handbag has been cut from a sturdy full grain 2. 5mm vegetable tanned, washed and tumbled horse culatta leather with a visible layer of subdermal cordovan, and an aniline rotten corpse matte black dye treatment. culatta is a special cut combined of the rear just above the cordovan, the belly middles and the hind shanks, offering a dense structure, tight grain and medium to firm temper. vegetable tanning is a traditional method of treating the hide