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A kenzan used in an ikebana flower arrangement

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.[1]

Another flower holder without spikes but only holes is called shippo dome (七宝留め) and is used by the Saga Goryū school and sometimes other schools.

In some ultraviolent wrestling promotions like BJW, CZW and GCW, kenzans are used as weapons, usually planting them to head.


  1. ^ Keiko's Ikebana: A Contemporary Approach to the Traditional Japanese Art of Flower Arranging, p. 45.

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