No feedback after promises

My son is playing league hockey, and I bought, about 3 months ago, a Gryphon hockey stick, thinking it is a good product. I paid about R450-00 for it. With one of the practices, the handle snapped. I took it back to the Ilanga branch, explaining what happened. I wanted her to replace the product. She did explain that she think there is no guarantee on the product, but I refuse to accept it! I was promised by the manager that she will phone me back the next day, after which she didn't. I phoned her again, 2 days later, after which she rep**** that she is still waiting for the Rep and that she will phone me again. I had to go to the Ilanga branch, asking her what is going on. I was promised again that she will phone me back, and I am still waiting. In the meantime, my son is playing with a friend's hockey stick. I am very upset about this and not satisfied with the service received.