Enclosed the function of guard against theft of boot ought to compare boot of slide fastener type better. Case of this kind of case is stronger, the case leaves close manage construction of type of the casing that it is aluminium, close place did not use slide fastener, used aluminium alloy however buckle, cannot be turned over simply artificially.
Besides boot of aluminous casing type, there still is double deck to prevent boot of cruel type slide fastener on the market. Price of two kinds of cases relatively boot of slide fastener type is expensive a lot of.
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