It consists of a base and two ring type devices which can be worn onto the finger pad which is the most sensitive part of the finger.

它由一个基座和两个环状设备组成，可以套在指垫上，而指垫是手指上最敏感的部位。

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I found this finger-operated pad, complete with audible clicking, at least as fast and much easier to use than a conventional scroll wheel.

我发现这个手指操作板（配有能听到的点击声）至少和传统滚轮的反应一样快，而且使用更为方便。

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Directions: Dot some with finger pulp on forehead, cheeks and mandible, then spread them from up to down, inside to outside, gently press with palm or cotton pad to make them blended well.

使用方法：用指腹蘸取，于额头、双颊及下颌轻轻点开，再由上往下，由内向外均匀抹开，最后用手掌或化妆海绵轻轻按压，使之与肌肤融合。

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Activated by pulling out a grenade-like pin and palming an embedded finger pad, the Armstar BodyGuard 9XI-HD01 sparks a loud and visible arc of electricity between its wrist-mounted taser spikes, a sight that inventor David Brown hopes will encourage would-be crooks to surrender.

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We didn't have to change our usual or "traditional" finger positioning, meaning we were able to keep our right thumb in the bottom left corner of the pad and use our index finger to navigate. (Even if our thumb moved slightly up on the pad it still worked.) Best of all, while using that finger positioning we rarely zoomed in on something by mistake.

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As for the keyboard dock's built-in trackpad, it responds surprisingly well to two-finger scrolls, but the pad's tiny size means you won't actually have much space to pull off those kinds of gestures.

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