I too have seen them on eBay but never saw the use for one here in Florida. My understanding is that they were used to warn those down the hill that a truck was barreling down without breaks.
But I tried, didn't I? ... At least I did that. RP McMurphy The past belongs to the future...but only the present can preserve it. Besides the noble art of getting things done, there is a nobler art of leaving things undone.
