'Roller' needle, for non-invasive acupuncture, Japan,...
'Roller' needle, for non-invasive acupuncture, Japan, 1980-1990
'Roller' needle, marked with the word "gentle", used in Shonoshin therapy, a non-invasive form of acupuncture developed for young children, from the surgery of a British practitioner c.1996, unsigned, Japanese, 1980-1990.