Swedish interview with Dr. Nakamats about his self-defense wig

Karin Gillenklev of Sverige Radio interviewed Dr. Nakamats about his patent for a self-defense wig. The interview happened in the faculty club of the Karolinska Institute in Stockholm last week, when Dr. Nakamats was in town as part of the 2015 Ig Nobel EuroTour. Here is the interview:

Here is an image from the patent: