Chinese hedgehog

noun2

1. •
   (no longer used) A species of hedgehog, Erinaceus amurensis, native to eastern China, Russia, Manchuria, and the Korean Peninsula.
2. •
   (no longer used) A type of sexual apparatus consisting of a ring and feathers, attached to the penis before sexual intercourse.

   • Somewhat similar is the “Chinese hedge-hog,” a wreath of fine soft feathers with the quills solidly fastened by silver wire to a ring of the same metal, which is slipped over the glans. — 1904