Swift arkit to detect the hand and the nails, and put the object on the nails?

Would like to know how to detect the hand and nails, and then using arkit nail overlay object. Frankly, Google has a few days looking for information about this, anything sensible did not find. I would be very grateful for the help! Thank you!
April 3rd 20 at 17:44
1 answer
April 3rd 20 at 17:46
It looks likewhat you need.

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