Car and road gear for everyday driving

Where it sits inside the vehicle

A visor clip needs a visor that is not too thick for the spring, and a seat wedge needs a bucket seat flat enough to hold it level. Before picking something for a cab, look at the spot where it has to live. Some door pockets are deep troughs and some are narrow slots. An auto registration and insurance holder slips flat into a glove compartment, but a collapsible trunk organizer asks for floor space behind the back bench.

How it holds when the car moves

Anything loose on a seat ends up on the floorboard after one hard stop. A piece meant for travel is judged by how it stays in place around a turn. A magnetic windshield cover uses small magnets along the edge to grip the metal hood and roof, while an extendable sun visor uses clips to fasten onto the flap overhead. If a piece relies on a strap or a clip, check that the mount fits your vehicle.

What summer heat and winter frost do

A car sits out in direct sun through July and stays frozen through January. Materials kept inside an automobile take rough weather without moving an inch. A cotton and flannel anti-fog mitt lives in the console through damp autumn mornings, and a gel cleaner stays in its tub between washings. Thin paper tears and loose plastic cracks when left on a dash, so road goods are built to take wild swings in temperature.