Do not think that the hasp on the shoulder strap is just an eye-catching accessory. It can also adjust strap length, so that you can use it as a shoulder bag or messenger bag!

别以为肩带上的搭扣只是抢眼配饰，它更可以调解肩带长短，手拎或单肩任你选择！

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Use the buckles under the chest strap to adjust your leg straps; make sure to do it in a symmetrical way.

通过胸口皮带的扣环来调整腿部皮带以保证用一种对称的方式来调整。

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Unique high strength and endured abrade strap with link structure which not need add the tightened implement and can easy to remove to adjust the degree of tightness, prolong the using term farthest.

特有的高强度耐磨皮带，链接式结构无需加装皮带紧固器，可方便拆下调整其松紧度，最大限度地延长使用期限。

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The Nao also has all of the features of its less advanced counterparts: water resistance, a comfortable and easy-to-adjust strap and a rechargeable Li-ion battery that, in a pinch, can be swapped out easily for two AAA batteries.

WSJ: The Petzl Nao: A Smarter Light | At Play