| 摘要 |
An outer hard-shell casing for a protection device that has airspace between the outer shell and inner shell or surface. This outer shell is designed to generate a shock wave during an impact to the casing. The generated shock wave then reflects off of the inner surface or shell. The reflected shock wave then dissipates along the air channel and out of the exit vents before it can be absorbed into the inner hard shell of the base or other protection device.
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