| 摘要 |
A improved swim training device for teaching a novice swimmer to swim that includes a pair of buoyancy units that are defined as a pair of interconnected jackets adapted to removably store a plurality of floatation cells. The jackets are adjustable to the size of the wearer and to the changing size of the jackets as selective floatational cells are removed, each jacket being formed from a single sheet of material having an inner cover sheet and a plurality of extended flap members that are adjustably arranged to be positioned over the stacked floatation cells for easy removal from the jacket.
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