As different materials were used for the edges, depending on Ikai (Court rank), the edges were bordered, for example, with koken (yellow silk) for people with goi (Fifth Rank) or people higher than goi in the rank, while they were bordered with dark blue cloth for people with rokui (Sixth Rank) or people lower than rokui.
縁は位階により五位以上は黄絹、六位以下は紺布などとなっていた。