Sadly, most child back-up accidents occur because of parental neglect or distractions. Another different noise maker will only give a false sense of security at best. We can't and shouldn't ever rely on any warning system to replace common sense awareness of our surroundings, and any people in the area that might be harmed by our moving vehicles. (by mat42458)
Well, am certain due to above philosophy that you do not have a smoke alarm in you house, right? or an alarm system for burlars....you just stay up all night with a baseball bat don't you?
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