Used left or right, I get to travel over cobblestone or gravel.  Used...

Used left or right, I get to travel over cobblestone or gravel.
Used up, I vie for sweet success, used down, I cause men great duress.

Answer: thumb

#Long #Medium

Used left or right, I get to travel over cobblestone or gravel.  Used...
Used left or right, I get to travel over cobblestone or gravel.  Used...
Used left or right, I get to travel over cobblestone or gravel.  Used...

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Next riddle in: Long Riddles

When the day after tomorrow is yesterday, today will be as far from Wednesday as today was from Wednesday when the day before yesterday was tomorrow. What is the day after this day?

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It is a desert oasis where money magically appears or disappears from your pocket.

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