I am fascinated with the surface treatment on Diana Farfan's pieces.
The attached photo is part of her work titled "Fishing for Dreams". ( I am fortunate to have this in my collection.)
Diana enhances her crackle glaze after it is fired with India Ink. Simply rub on with a cloth or sponge, and rub off. If you feel it is too dark, you can remove it with a 50/50 solution of chlorox water.
(not food safe!!)
*available at Amazon.com