A good many years back, we were out on a first class piece of water in the Kamberg valley, and I had my two young boys with me. They were really little guys at that stage. “Knee high to a grasshopper” as the saying goes. We were tackling up at the time, but the boys had got distracted, and just as I finished tying on a fly, I looked up to see they had diverted their attention to perfecting the yo-yo. It was in vogue at the time, and they were distractible youngsters, but as my gaze shot over to