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People use the pain relief patches when they feel muscle pain in a specific area. Users can use the pain relief patch whatever length they want. This design is to suit different parts of the body area where they feel muscle pain and it can adjust the length of pain relief patch. When pressing the button right next to the handle, the patch comes out easily. When you move your hand over the button, the rotation stops and you can take off the patch very easily.
Daegu, South Korea
National changwon university
Daegu catholic university