Seventy-nine year old Constant Ngubane and seventy seven year old Gladys Ngwenya are best friends and neighbours, but they could be sparring partners.
They're both members of the a team GYM in Johannesburg - a group of grannies who are now hitting the punch bags here twice a week.
Coach Claude Maphosa takes the women through professional boxing training exercises, but they don't throw any body punches.
