For drivers who live in apartments and in cities without the luxury of off-street parking, one of the more frustrating sights can be looking in the rear view mirror to see another vehicle glide into the parking space you spent so much time laboriously shoveling snow out of. Technically, that’s the downside of parking on a public street. But in some places there is a strange and parochial custom called “savesies” that drivers and residents use to address that situation. That’s the practice of leaving an object in the empty parking street space as a place holder to save the spot until you return…