TheNakedPhotoShooter

That's why I explained that it's helpful but not in the way they want, You'll need it to control reflections and glare on windows and plastic surfaces.

How on earth is this easier than carrying a pola filter in your bag?

Also, this is nonsense unless you have a well equipped studio and can get a hold of the car for an extended time.

This is for a commercial shot, not What OP described.