Walker's Razor Muffs & Comms Set for 4 People in BlackAt Kaizen we use and highly recommend these for all our vehicle based shooting. They are one of the best problem solvers we've purchased in a long while. No more tapping on the roof or yelling into the drivers window to position the vehicle to take your shot. If you're shooting with muzzle brakes the front seat pilots don't need to put their fingers in their ears every time they hear a thump on the cabin. They are so clear that you can whisper a