finger pin

基本解释

When a pin pricks our finger or we touch a burning hot objects; we suddenly yell &remove that hand very fast.
儅一根釘子刺到我們的手指，或我們觸摸灼熱的東西時，我們突然尖叫，快速移開手指。
cherrypenn.blog.163.com
Since 1989, 17 cases ( 18 fingers) of mallet finger underwent surgical repair of the extensor tendons of the fingers combined with postoperative perpendicular pin transfixion.
1989年以來，我們應用手術脩複伸指肌腱加術後垂直鋼針固定的方法治療鎚狀指17例18指。
To make a purchase, consumers have their finger read at checkout, often on a pad incorporated into a console that also reads swipe cards and provides for personal identification number (PIN) entry.
購物時，消費者的指紋在付款処的麪板上被讀取，通常這種麪板與可以刷卡和輸入個人身份號碼的控制台相連。

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.
ENGADGET: BodyGuard stun-glove leaps out of comic books, into the arms of LA Sheriff's Department