Answer:
massage them
Explanation:
It should be understood that blue fingernails refer to discoloration of the nail bed, not the nail plate, so scrubbing the nails with a dry nail brush would definitely have no effect.
In this case, Kim, as a good nail technician, should not based her decision on the process above, but she should instead warm or massage the nails to see whether the normal color re-turns. This will show whether Rylee's case is due to poor circulation or not.
