简单的艺术-用一个小钉板，画出不同形状不同颜色的橡皮筋，直到所有挂钉都至少被用过一次。
Simple Art - Take a pegboard and stretch different color rubber bands in various shapes until every peg has been used at least once.
攀爬之前要观察并判断所有已经固定在路线上面的装备是否状态良好，包括膨胀钉和挂片，尤其是保护站和难点上，这些地方上的钩环使用频率最高，磨损也最为严重。
Visually and manually inspect all fixed gear before using it, including bolts and anchors, and especially those at stations and cruxes where the carabiners see maximum wear.
乔用锤子把一只大头钉敲进墙中用来挂一幅画。
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