Self-defence and martial arts for the blind?

You may not think that someone who is blind, could become proficient in self-defence skills or in several styles of martial arts, but it's not that uncommon. David Black is not only a skilled cook, in his daytime job, but the blind fitness enthusiast has also started teaching self-defence classes for blind and partially sighted people. RNIB Connect Radio's Allan Russell spoke to David to learn more about the classes and why he felt it necessary to learn to defend himself... #RNIBConnect #HowISee