Snake's eye metal tree decoration

The name 'Janome' is derived from a pattern resembling a snake's eye, but its original form is a 'tsurumaki' (a coil for holding备用 bowstrings) that samurai wore on their left waist during battles, attached to the waist belt of their 'ebira' (quiver). (Takasawa et al., 'Family Crests Encyclopedia') / Tsurumaki is a leather or rattan bow fitting that wraps around the bowstring, a ring worn by samurai in armor, resembling a snake's eye. Later, due to its resemblance to a snake's eye, it was called the 'snake's eye crest'. (Ito Kosaku, 'Japanese Family Crests')