Pain Gone Anaesthetic Pen: A new way to treat pain without medication. Each click from the pen sends a pulse, similar to a TENS machine, that activates the body’s endorphines. Effective on minor chronic or acute pain such as back pain headache arthritis etc. Can be used as often as required. Consult instructions before use. For further information please contact your local shop or call 01908 644133. We look forward to hearing from you.