A couple of weeks ago I noticed the shopping carts at HEB had been outfitted with some sort of “ shoe” on the right rear wheel. Today I see a little sign on the bottom of the entrance doors stating the carts may lock up randomly. The carts are not to be taken off site. I look and sure enough the left front will is an all plastic looking qizmo with I assume a electronic braking device. Genius! I’m not sure what the purpose of the shoe over the right rear wheel is.
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