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 1. Field of the Invention
 The present invention relates to a golf tee and more particularly, to a flexible golf tee which includes a upper body, a lower body and a strong rubber string in the middle body so that the tee can not be broken, pulled out or flied away in the air, even though a golfer hits a powerful tee-shot. The present golf tee gets bent softly without separated from each portion of the tee due to a strong rubber string inside the tee in spite of a high speed tee-shot.
 Carved layers of the lower body which are designed to prevent a golf tee from pulled out when hitting a tee-shot, offer golfers a great putting feeling, also. Golfers feel as if they hit a ball in the air. The carved layers are also helpful for golfers to improve a driving distance because tees remain in their positions after golfers hit a tee-shot. Therefore, golfers can hit a stable and neat tee-shot. And the upper body of the tee can get bent with the lower body at up to 45 degrees due to the rubber string inside the tee when putting and pulling a tee into and from the grass more conveniently.
 2. Description of the Prior Art
 In general, golfers used to use a wooden or plastic tee to hit a tee-shot. Conventional tees were easily broken, pulled out or flied away in the air. To overcome the problems as above, there was a golf tee of which upper body is made of rubber and the lower body is made of plastic material. The tee overcame the shortcomings of plastic or wooden tees by making the portion where a ball is placed with a thick rubber, such as easily getting broken, but was still easily pulled out, flied away if a golfer hits a powerful tee-shot. It was inconvenient to look about for the disappeared tee or purchase again. The portion where a ball is placed is made of a thick rubber for supporting a ball. The thick rubber decreases golfers' putting feeling, because golfers are supposed to feel the golf club touches the golf tee when hitting a tee-shot.
 The present invention was designed to solve the problems as described above. The object of the present invention is to provide a golf tee which is not easily broken, pulled out, or flied away in the air even though a golfer hits a powerful tee-shot. The present golf tee gets bent softly without separated from each portion of the tee due to the strong rubber string inside the tee in spite of a high speed tee-shot.
 The other object of the present invention is to provide a golf tee which is helpful for golfers to improve a driving distance and offers golfers a great putting feeling.
 The other objects and features of the present invention will be hereinafter explained in detail with reference to the accompanying drawings, wherein:
 The golf tee according to the present invention is separated into three bodies which are made of different materials according to its peculiar quality. The upper body is made of urethane, the middle body is made of nylon, and the lower body is made of polycarbonate (PC), respectively.
 When removing the golf tee from the grass after hitting a tee-shot, pull the upper body