I have one of these on my bicycle helmet. Works great for getting a driver’s attention at a 4-way stop (the North American approach to right-of-way is deficien

I have one of these on my bicycle helmet. Works great for getting a driver’s attention at a 4-way stop (the North American approach to right-of-way is deficient when everyone stops at the same time and is going straight). But a problematic tell when I see a head-turner walking on the sidewalk.