The pulse oximeter fits over a fingertip or an earlobe. Strokes use a combination of wrist movement and fingertip control of the shaft. Slider movement is a direct result of the fingertip pressure and grip. Furthermore, the same study found no connection between fingertip wrinkling and touch sensation. They support the fingertip pads and nails. Violinists stop a string with a left-hand fingertip, shortening its playing length. He was rushed to the hospital and the fingertip was reattached. A felon is an "extremely painful abscess on the palmar aspect of the fingertip". He stated that he could only open his jaw about the width of a fingertip. The capacitance between the device itself and the fingertip is sensed. The frog is anatomically analogous to the human fingertip. Playing guitar with a pick produces a bright sound compared to plucking with the fingertip. He was wired up for the flame to ignite from his fingertip. This change in the attitude of the fingertip to the string varies the pitch. Winer reports 14% of fingertip samples from sexually active women were positive.