Watch skilled potter, Simon Leach, give his expert instructions on how to glaze a set of tea bowls. He also suggests some household supplies which can be used to embellish your ceramics when the clay is still soft, such as a bolt or a comb. This glaze is a combination of Scotland Hills red mud, feldspar and wood ash. He also uses white clay slip on some of the pots. This is a process wear one glazes the tea bowls while the clay is still semi-soft.