Answer:
Of these things - I have two. One for me - and one for you. And when you ask about the price, I simply smile and nod twice.
A nut cracker up in a tree.
They try to beat me, they try in vain. And when I win, I end the pain.
The more you take, the more you leave behind.
It is an arctic double breasted formal wear.
The sun bakes them, The hand breaks them, The foot treads on them, And the mouth tastes them. What are they?