Magatama Idol Kaguya explains:Edit
"I have so many of these Magatama, I don't even know what to do with them all... Oh! If I line them up and... Yes, it's a necklace! Cute, and functional, with the power of the Magatama running through them, this really does take care of two birds with one stone! Hahaha, this is so great, I'm getting bumps."