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canvas knapsack: [1](3s)：unlatch and open, bag;[2](2s)：unlatch and open, bag;[3](1s)：open, bag;[4](1s)：open, bag;[5](4s)：close, bag;[6](1s)：close, bag;[7](1s)：close and latch, bag;[8](1s)：close, bag下载 收藏背包(knapsack) / 画布(canvas)x1倍举报
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leather knapsack: [1](2s)：open, bag;[2](2s)：unlock clasp and open, bag;[3](2s)：unlock clasp and open, bag;[4](2s)：close and lock clasp, bag;[5](2s)：close and lock clasp, bag;[6](2s)：lose and lock clasp, bag;[7](1s)：close, bag下载 收藏背包(knapsack) / 皮革(leather)x1倍举报
