For Darwin mother Tania Harris and her 14-year-old son Les, clay target shooting is not just a sport but a way of life. Key points: A Darwin mother and son will compete in the national championships Tania Harris says the sport requires focus and a clear head There are shooting clubs across the Territory And even though they will be competing in different divisions at national championships in Wagga Wagga in New South Wales in October, the rivalry between them is fierce.