Free Rectangle Keychain Mockup. This time the visualization shows a simple and cheap to produce plastic keychain. The good thing about this item is that it is often used as a small element of branding and visual identification. Used as a small gadget or gift, it is a carrier of graphic elements responsible for the visual consistency of the brand. That’s why it’s nice to have this type of mockup to be able to use it when presenting a brand design, logo or visual identification.