| 摘要 |
An appliance for controllably altering the trajectory of a kicked American football includes a member designed to be removably insertable in a recess included in a tee. In the preferred embodiment, the inventive appliance may be used in any one of three different ways. In a first orientation, for example, placed within the forward recess of the tee, the appliance has a recess that combines with the ball receiving recess to completely enclose the tip of the football about its periphery. In that configuration of the appliance, when the ball is normally struck, the football travels down the field with a forward end-over-end spin. In a second orientation, a protrusion is placed in front of and slightly to the right of the centerline of the football. After the football is kicked, the tip of the football strikes this protrusion, causing the football to be deflected and to hook to the left as it flies through the air. In the third mode of use of the appliance, the projection is in front of and slightly to the left of the centerline of the football. After the football is kicked, the tip strikes the projection, causing the ball to travel slightly to the right in a slicing trajectory as it travels down field.
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