The Ichiyo School of Ikebana uses certain containers which are mostly used by that school. The semicircular container shown above was created by the Ohara School of Ikebana and mostly used by that school. However, Ichiyo School students may use containers used mostly by other schools for their Ichiyo arrangements as long as the arrangement retains the characteristics of the Ichiyo School.
When a student of chooses a specific school of ikebana to study under, it is important for that student to generally prefer that school's style. However, one of the great things about the study of ikebana is how each student can be beneficially influenced by other schools practice of ikebana. And this is the situation we have here in the Buffalo area.