This video tutorial is in the Sports category which will show you how to properly throw a football. First ensure the football is the correct size for the thrower's hand. You can't throw without a proper grip. To get a proper grip the middle finger should be on and parallel to the white stripe on the football. The 4th and 5th fingers should be on the laces. The index finger must be separated from the middle finger and be parallel to the seam. While throwing, the thumb should be pointing downwards and the index finger should be the last finger off the football.
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