So, I’ve been holding off writing this review on Custom Fit Guards CF Auto V2 ear plugs for some time. Why? I wanted to do at least 500 miles worth of riding with them in and I wanted to test them in a variety of conditions, from seeing if I could hear the cashier at the petrol station, to seeing if it would prevent a headache after a long day of screaming around a track. Having put these dual purpose ear plugs through their paces, I am pleased with my findings. I first tried these out on my daily commute,…