Describe Colors: grass green, blue, black, red, yellow, normal green, characteristic: 1. Usage: Use the hand pressure clamp once per hand for about 5 minutes, or use both hands simultaneously, or until the pain and headache are relieved. 2. Practical: The clip can slide onto the inner metacarpal bone of the forefinger, making it very snug. This way, you can easily type on the computer, play the piano, practice yoga, or perform when there are no headaches or migraines, and complete any other tasks unobstructed throughout the day. 3. Beneficial to health: Acupoint pressing, as a cost-effective non pharmacological method, has been used for thousands of years to promote overall health and physical and mental health. 4. Activate stimulation points: These headache and migraine clips can activate stimulation points by applying pressure to the acupoints, releasing and tightening energy; For those who want to get rid of recurring headaches, this is a completely natural and drug-free choice. 5. Enhance the immune system: This hand pressure acupoint tool also helps to strengthen the immune system, and if you can use it for a long time, it is very beneficial for your health. Comment: 1. The tolerance for manual measurement is 2-5g. Please don't mind your replacement. 2. Due to differences between different displays, images may not reflect the actual color of the item. Thank you. 3. SKU color is the color of the product packaging Packing list: 1 * Hand pressure