Slip, a form of liquid clay, has been used since ancient times to add color and texture to ceramics. This method of clay decoration, practiced from Rome to Mesoamerica, continues to develop internationally. Slips allow ceramicists to give their works rich, intriguing surfaces in a range of hues. In Techniques Using Slips, expert potter John Mathieson explains how to formulate and apply slips successfully to embellish earthenware, stoneware,...