Chokyūkai's tiaras

 were what Chokyūkai used to get his harem of wives. Anyone who wore them would instantly fall in love with him. It also had the same effect on men as both Inuyasha and miroku instantly showed an attraction to Chokyūkai when they wore it. They were made so that Chokyūkai would be the only one the wearer would fall in love with. Chokyūkai had Son Goku's descendant and Sha Gojyo's descendant were one each in order to make them obedient to him. He was able to telekinetically move them at will.

Trivia

 * The tiaras are based on the golden band that wears it . It is magically placed on his head by the   due to his violent tendencies. It can not be removed until his journey is complete. It can cause him headaches whenever  chants the mantra to tighten it. It has thus been dubbed the "Headache Sutra."
 * Son Goku's descendant wears his tiara upside down.

Tiaras de Chokyukai