Ever wondered what those little clips on acupuncture needles actually do That’s electroacupuncture: traditional acupuncture combined with gentle electrical stimulation. After fine, sterile needles are placed, a mild current runs between selected points. That creates controlled stimulation that may support the body’s natural pain-modulating processes. It may be considered for Neck, shoulder & lower back pain Muscle tension & spasms Chronic muscle and joint discomfort Stress-related physical tension Most people describe it as a light tapping or tingling, and the intensity is always adjusted to your comfort.