washed cordovan open seam shoulder bagthe open seam leather shoulder bag can be worn on the shoulder, across the body or in hand and has been cut from a supple full grain 2. 7mm vegetable tanned, washed and tumbled cordovan leather, with an incredible array of texture, a waxy pull up and a flat matte rotten corpse black dye treatment. vegetable tanned leather is an ancient artisanal process that hinges on the delicate balance between timing and temperature. like a fine aged whiskey time