Ask yourself this: 'How many times am I folding bits of paper to wedge things open?' Yup, me too. Until I got myself a wedge. It's held all manner of things open. If you're need to wedge things, get a wedge. Professionals do things properly. Doing things properly is professional.

Also for use in holding a gap open when using reach tools for car entry after the air-wedge has opened the gap, this hard wedge keeps the gap open without putting pressure on the air-wedge.