Bottle Cap Discs
There is a plastic disc below the soda cap. It might seem unnecessary, but we will have you know that it is important to keep the carbon dioxide inside the bottle! After all, we are sure you also hate flat soda.
Rearview Mirror Tab
You need to check the rearview mirror often when you are on the road. When the headlights from behind blind you, you can just adjust the position of the mirror with the use of that tab at the bottom.