À Terre IVAn equine ballet. A horse's foot can signifies many things: strength, grace, and beauty. Title: Terre IV Medium: Raku fired ceramic clay Size: 10. 5(H)x 5(W) in What is raku? Glowing red hot clay pieces are taken from the kiln and placed in a material that catches fire, such as newspaper. They are then enclosed in a container with the flames. The lack of oxygen gives the glazes striking colors and patterns. Areas with no glaze take oxygen from the