Cookies and storage
Rack and Mat sets no cookies, so there is nothing to accept.
What is stored on your device
If you choose feet and inches, or metres, and if you choose the Garage or Lab look, those choices are kept in your browser's own storage on this device so the site stays as you set it. They are not cookies and they are never sent to us. Clearing your browser's site data removes them.
Other companies
Amazon and eBay set their own cookies when you follow a link to them. Photographs in the eBay block load from eBay's servers. See Privacy.