Challenge
Riddles and Reasoning
In a book I've read (Harry Potter) certain people (Ravenclaws) had to answer a riddle to get into their common room- but there was never one answer. Whether you got in or not depended on your reasoning, so today, let's try something new and make a riddle and see what wacky answers people come up with. So, here it is, Riddles AND Reasoning! Tag me!
Once in a Lifetime
When you walk by it, you wouldn't buy it. but when you do buy it, you wouldn't use it, but when you do use it, you wouldn't know that you're using it. What is it?
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