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Nowadays, suitcase handy is a convenient tool for travel. But the suitcases would be vulnerability, due to people put it under the seats or the sleepers, as the high luggage rack and the heavy suitcases.
The novel suitcase can solve this problem by adding the pulleys. It use an ingenious structure to let pulley acting freely. And passenger can drag the suitcase conventional. It can also be easily summarized.
Meanwhile, you can put the suitcase under the bed through the sheaves. This structure can not only let the suitcase out of wearing out, but also achieve the effect of moisture.