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The NATO bracelet is composed of a single strand, a pin buckle and several fixed metal passers. It was designed to fit between the axle and the housing and to close with its pin buckle and loops.
After removing your leather or silicone or metal bracelet, keep the axes call "pumps" and put them back without the bracelet. There are several ways to fit a NATO bracelet, in this video it is the traditional way.
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