Saggar atmosphere, or concentrate the effects of salts, metal oxides and other materials on the surface of their ware. Some pots may be carefully prepared for saggar firing. One method creates a smooth surface covered with clay slip, terra sigillata, which responds particularly well to the saggar technique. This slip covering may be burnished to achieve a gloss. Prepared pots are nestled into saggars filled with beds of combustible materials, such as sawdust, less combustible organic materials, salts and metals. These materials ignite or fume during firing, leaving the pot buried in layers of fine ash. Ware produced in filled saggars
Jainti Dass Saggar Hughes, paid tribute to him after his death, saying: "He was a man of compassion for everyone in need ... he came to Dundee from halfway across the world but no son of Dundee had greater love for its people or worked harder in their interest. Dundee is much poorer by his passing." Twenty years after his death, the Dundee Corporation named Saggar Street after him. He had at one time supported the building of houses on this same site. In 1974, a public library was opened in memory of him and his brother. In 2015 his daughter, Kamala Stewart,