Penetrate subcutaneously in 3 seconds: unblock the meridians, activate qi and blood, expel dampness and cold from the subcutaneous and superficial layers
3 points to penetrate soft tissue: improve and relieve muscle tissue acid, numbness, swelling, pain, and numbness
30 minutes of bone penetration: cervical spondylosis, frozen shoulder, lumbar muscle strain, sciatica, rheumatoid arthritis, etc.