Riddle 1 

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To look cool wrap me around your head. Remove a letter and eat me instead. What am I?

Answer 

Bandana

Riddle 2

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You use me from your head to your toes, the more I work the thinner I grow. What am I?

Answer 

Bar of soap

Riddle 3 

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Weight in my stomach, trees on my back, nails in my ribs, it's feet I lack. What am I?

Answer 

Ship