Guzheng nail storage

This was taken with a mobile phone. It may not be clear, but it can be seen roughly. This is the nail of pipa, and so is the nail of guzheng, but now I don't know where it is, so I'll show you the nail of pipa. It's all the same anyway. One more thing, the guzheng is the nail of two hands, so I suggest you stick it with two cards respectively. Which hand uses which nail, which finger uses which nail is best to use fixedly and sit in the right position. Don't change it every time, because each nail wears on the strings at a different angle. I hope I can help you.