A set of around ten gems called a ka (the radical of the kanji "金" to the left with 夸 to the right) was sewn on the part of the toko on the side and back when it was worn by crossing a thread over each gem.
床には着用時に脇から背中に回る部分に銙（か/金偏に夸）と呼ぶ宝玉十個近くを十文字に糸を渡して縫い付ける。