The shop owner has licenses of both Omote-Senke and Ura-Senke tea ceremonies. He knows very well about how to treat lacquer wares, which are so often used in tea ceremonies.
Our shopkeeper has Omotesenke and Urasenke tea ceremony licenses. At Japanese tea ceremony, we often use lacquerwares (such as teabowls), so we are skilled in using them.
The storekeeper has the qualifications of Omote-Senke style and Ura-Senke style tea ceremonies. Tea ceremony often go with the lacquerware such as tea caddy and so on, and he is an expert in handling it.