japanese spiky frog – kenzan, SBO 8 x 5,5 cm, rectangular

japanese spiky frog – kenzan, SBO 8 x 5,5 cm, rectangular, Made in China
A kenzan, also called spiky frog, is a specific device used in the Japanese art of flower arrangement ikebana for fixing the flowers in the container. It consists of a heavy lead plate with erected brass needles where the stipes are fixed.
The name kenzan (剣山) literally means sword mountain. It was introduced by the Moribana style of ikebana.