Answer:
It is an arctic double breasted formal wear.
It can cause deflation of tires when dropped from the rear of spy cars.
What looks back but cannot see?
It is the great nemesis of the lactose intolerant.
My first is in blood and also in battle. My second is in acorn, oak, and apple. My third and fourth are both the same. In the center of sorrow and twice in refrain. My fifth starts eternity ending here. My last is the first of last, Oh Dear.
Why was the cook arrested?