1. When used for waterproofing, please check for leaks first, blow breath into the sleeve, then pinch the mouth tightly to see if the sleeve becomes smaller, if it does not become smaller, it means that there is no leak, you can use.
2. Do not wear it for a long time. If you feel the fingertips swell, tingle, and purple, you should immediately remove it, and raise your finger, it will slowly recover as before.
3. Dry after use and can be used repeatedly.
4. When it is not easy to wear for many times, put some rice dumpling powder or talcum powder to lubricate.
5. Take it from top to bottom when taking it off, so it is easy to take off and easy to wear next time.
6. Avoid sharp objects such as needles, scissors, toothpicks, etc.
7. Avoid contact with oily lubricants such as petroleum jelly, baby oil, bath liquid, massage oil, butter, etc. to avoid affecting performance.
8. Do not use daily or industrial finger cots for medical and sexual life.
9. Finger cuffs used in medical and sexual life are limited to one-time use and must not be reused.