wet moulded abstract horse culatta leather traythe wet moulded abstract leather tray has been cut from a full grain 3. 2mm vegetable tanned, washed and tumbled horse culatta leather with 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 using natural extracts