Frequent McDonald's customers may notice that McDonald's cup lids have rectangular buttons. Here's why the buttons exist!
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Xbox on X: @McDonalds Here's some coffee to help you button mash faster. / X
People are only just realising what the secret buttons on McDonald's cups are for
People are only just realising what the secret buttons on McDonald's cups are for
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People are only just realising what the secret buttons on McDonald's cups are for
People are only just realising what the secret buttons on McDonald's cups are for
Disposable White Coffee Cups with Lids 10 oz (50 Pack) - To Go Paper Coffee Cups for Hot & Cold Beverages, Coffee, Tea, Hot Chocolate, Water, Juice - Eco Friendly Cups
Why there are buttons on McDonald's drink lids - Daily Star
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