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Tall pottery braziers called <em>ryōro</em> are often used to heat the water for the tea served at <em>sencha </em>gatherings. This one sits on three sturdy legs, one of which bears the artist’s seal on its face. A horizontal rectilinear opening above this leg allows air to circulate into the lower part of the brazier. The top part is outfitted with three prongs onto which the kettle can be lowered; below them is a basin, perforated with circular holes, that holds the charcoal fuel. <br><br>The brazier is decorated under the crackled transparent glaze with a design of old coins in iron oxide. The motif is cleverly chosen, for most older coins are round with a central hole, often square, which echoes the cylindrical form of the brazier with its rectilinear “wind gate,” or <em>fūmon</em>.