针灸用的毫针。原来是银制的，现在多为不锈钢制品fine acupuncture needle

• 针灸谷胸法是利用五支银针，刺在乳房五个穴位上。

  The acupuncture and moxibustion method of breast enhancement uses five fine acupuncture needles placed into the five acupuncture points of the breast.

• 这部纪录片真实记录了用小银针治大病的情形。

  This documentary truthfully recorded how a major disease was cured with fine acupuncture needles.