have fingertips
v. phr.— «He had no fingertips as a politician and came off as a phony, even when he was perfectly sincere.» —“Back From the Dead” by Evan Thomas Newsweek Nov. 17, 2008. (source: Double-Tongued Dictionary)
Further reading
For at least three centuries, declaring I’ll eat my hat! has indicated that the speaker is so certain they’re right, that if they’re not, they’re willing to swallow their chapeau. Variations of this phrase include I’ll eat my boots, I’ll eat my cap...
The phrase throw in the towel meaning “give up,” stems from boxing competitions in the late 19th. If a boxer’s team wanted to stop the fight—usually because their fighter was taking too much punishment—they would literally throw a towel into the air...
Don’t have an earlier cite to offer, but it seems to me that’s practically a duty-free import into English of a German jawbreaker: fingerspitzengefuel (type that “ue” instead as “u” with an umlaut to be correct; approx. pronunciation: fing-ger-shpitz’en-guh-fewl), which literally means the ability to sense or feel through the fingertips, but metaphorically is used to mean subtle intuition. In the case instant, mightn’t one legitimately suspect that Evan Thomas simply forgot the German word but remembered the meaning? Equally plausible: perhaps Thomas used the German word but a copy editor thought to “correct” it, offering us instead the translated meaning, in hopes we’d muddle through somehow? Who can know?