What is Tsumami Zaiku?

EDO Tsumami Zaiku (江戸つまみ細工) is a traditional Japanese craft developed more than 200 years ago.
You see kanzashi on Geisha and Maiko's hair often.

In recent Japan girls wear Tsumami zaiku pieces with Kimono for Shichigosan (七五三), Coming-age ceremony (成人式), and also with Yukata in casual occasions.