It is a cheap baked clay saucer, twelve to thirteen inches in diameter, with a hole in the center. The advantages claimed by its use are : A much larger crop; much finer berries; cleaner, and free from sand and dirt; mulching the ground; the retention of the rains to the roots of the vines; killing the weeds; earlier ripening; easier picking. They are turned over as a Winter protection to the vines. Persons who have used it pronounce it the most important invention ever made in connection with strawberry raising.