Detachable Car Headrests
You might have been in the backseat during some road trip and got so bored that you played with the headrest right in front of you. Not a lot of people know this but the headrest can be taken out of the seat. It was designed this way in case there is an emergency. You can crack the window using the metal bars!
Detachable Car Headrests
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Solo Cup Lines
These red Solo cups are a common sight at parties and events. However, not many people know that the horizontal lines on them actually tell something. The ridges indicate how much drink is in the cup! For the first line, it means one shot or one ounce of liquor is in the cup. The next line means five ounces of wine. The top one means 12 ounces of beer is in the cup.
Solo Cup Lines