| 摘要 |
A security device, for a backpack 51, comprises a cover in the form of a wire netting 50 that is held snugly to the backpack by a draw line 53. The draw line is taughtened and locked tight with a locking mechanism 54. The cover prevents tampering with or removing the backpack from the wearer, and especially the slicing open of backpack to remove its contents.
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