cinnamon roll (the skin)

That's exactly what I thought!

(from Wikipedia:)

A tomoe or tomoye (archaic) (巴) is a Japanese abstract shape (i.e. a swirl) that resembles a comma or the usual form of magatama. It is a common design element in Japanese family emblems (家紋 kamon?) and corporate logos, particularly in triplicate whorls known as mitsu tomoe. One mitsu tomoe variant, the Hidari Gomon, is the traditional symbol of Okinawa. The Koyasan Shingon sect of Buddhism uses the Hidari Gomon as a visual representation of the cycle of life.