A pawl engages teeth to create successive mechanical clicks or controlled movement.
What it is
A ratchet mechanism uses a pawl, a small spring-loaded catch, that engages a row of angled teeth. It allows movement in one direction while producing a click at each tooth, and it can block or control movement in the other. The number and shape of teeth depend on the brand.
How it feels in your EDC
A ratchet gives a series of distinct mechanical clicks as you turn or slide, with a firm, precise feel. Finer teeth create faster, denser clicks; larger teeth create slower, chunkier ones. It sounds and feels more mechanical than magnetic feedback, which many collectors enjoy.
What to look for
Check the click pitch and loudness, since ratchets can be noticeable in quiet places. Look at the materials of the pawl and teeth, as they affect wear and sound. Keep the mechanism clean and follow the brand’s advice on lubrication, which can change the click.
是什么
棘轮啮合（Ratchet Mechanism）利用一个带弹簧的小卡爪（棘爪）与一排倾斜的齿啮合。它允许单向移动，每经过一个齿就发出一声咔哒，并能阻止或控制反方向的移动。齿的数量和形状取决于品牌。
上手感受
转动或滑动时，棘轮会带来一连串清晰的机械咔哒声，手感扎实精准。齿越细，咔哒越快越密；齿越大，咔哒越慢越厚重。它的声音和手感比磁力反馈更“机械”，很多玩家很喜欢。
选购要点
确认咔哒的节奏和响度，棘轮在安静场合可能比较明显。看棘爪和齿的材质，它们影响磨损和声音。保持机构清洁，并遵循品牌关于润滑的建议，润滑会改变咔哒声。
