Naked trailer hitches have, apparently, been screaming for something to do, which explains the plethora of hitch covers out there. But you might as well put that thing to work instead of just prettying it up. Hitchmate agrees and offers the HandSignal. Leave the fingers as they are to say, "Hi!" or bend them into other well-known gestures like thumbs up, thumbs down, uh, thumbs sideways, and, well, that other one we're sure you'd never want to give to all those courteo
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