A four-pack of compact aluminized mylar emergency blankets (about 52 × 82 inches each when unfolded), individually pouch-packed for a glove box, go-bag, or first-aid kit. They reflect body heat and block wind and splash — useful if you're stuck roadside in a freeze, not a substitute for real shelter, dry clothes, or getting to a warm place.

Slip-on ice traction cleats with an elastic outer band, heel tab, and 1.2 mm zinc-coated steel coils meant for packed snow and ice — the kind of driveway and sidewalk conditions that show up with the first freeze. Size the pair to your shoe (and go one size up for bulky boots). Take them off before you walk on bare floors; coils can slip indoors and can mark some surfaces.