| 摘要 |
A golf training ball comprising at least two cloth stuffed elements each element featuring a sealing point and, stitching to combine the cloth stuffed elements into a unitary ball, where the stuffing comprises a soft fiber, and the cloth elements and stitching are so arranged such that the unitary ball has a core and a periphery with a density gradient between the core and periphery where the golf training ball has a heavier mass in the core and a lesser mass of a soft structure at its periphery to provide a high shock absorbing ability.
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