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25+ Everyday Things With Hidden Features You Didn't Know The Purpose Of

Notebook Margins

Like many people, you probably assumed notebook margins were invented as a writing guide. Or to make sure your paper fits within your trapper keeper (shout out to the 90’s) but they were actually designed for something totally different.

Years ago it was extremely common for rats to live throughout the houses. One of the many things they liked to chew on was paper. When manufacturers got wise to this they implemented margins to protect your work from the rodents who would eat around the edges. So next time you think about blaming the dog for eating your homework, you can mix it up and blame the rats in your house.