The Detroit Institute of Arts Nail Man Posted on July 9, 2011 by diana smith in believeitology, folklore No Comments Detroit has it’s very own Nkisi in the Detroit Institute of Arts known as the Nail Man and we wanted to know if the stories about it dancing in the museum at night were true. View Post African, Congo, Detriot Institute of Arts, nail man, Nkisi, Nkonde, Nkondi