AYA is the Hopi word for the gourd rattles used by the katsinas during their ceremonies. They are also given as gifts to young boys (along with bow and arrows, tops and stick balls).
(ALL ARE IN SANTA FE)

From left to right: Unpainted rattle by Hongvi Marquez. 6 inches in diameter and $80. Next is a little green rattle with a prayer feather motif, 2.25 inches in diameter and SOLD. The third one was made by Jordan Saufkie, this one has the Hopi friendship symbols as well as plant motifs on it. $.25 inches in diameter and $120. Next is another plain rattle by Hongvi Marquez, just over 6 inches in diameter and $80. The fifth one in the row was also made by Jordan Saufkie, this one is 4.25 inches in diameter and $150. The sixth one is also by Jordan, it is 3.5 inches in diameter and $120. Next in the row is a rattle with a Katsinmana, Lenang katsina and raincloud motif, 4.5 inches in diameter and $160. Last in the row is a little rooster rattle by Jack Antone, 3.75 inches from ear to ear and $75. (ALL IN SANTA FE)

Above are two yucca rattles made by Fern and Tod Pooyouma. Each one measures 8 inches from top to bottom and are each $60. (Both in SANTA FE)

 

A Mudhead, 11 inches tall, $125. This rattle is the style traditionally carried by the Koyemsi or Miudheads, is 12 inches long and $125. A large Ahöla rattle 20 inches high with turkey and parrot feathers. $160. (ALL in SANTA FE)