I believe Karin healing abilities can heal extracted tail beast hosts.If Karin can heal Tsunade ,who was split in halve and close to dead from healing the other kages,then Naruto or killerbee could be save from their upcomming extraction from either Madara or Obito or Sasuke (if he decide to kill the tail beast).Other medical ninja use their hand but in Karin case ,anyone can bite her and become heal from any form of injuries.What you think?
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