There are some very remarkable and distinguishable element's in Batman's outfit. As much as Batman's appearance has change through the years, media or franchises, the pointed ears, the bottom of the cape resembling the wings of a bat and the spikes on his gloves are clear trademarks. Color schemes, [batsymbol][1] shape and the utility belt may change, but there are certain things that seem to be always present on a Batsuit, like the spikes on the gloves.

In the Nolan Batman trilogy these spikes are explained as part of a ceremonial gauntlet which came really handy in close combat to parry blades (Batman Begins). This idea was taken a little bit further on the sequel (The Dark Knight) turning these spikes into blades that could be weaponized by being thrown through a spring-like mechanism. That's the only explanation I can recall ever seeing about why those spikes are there on Batman's gloves.

In the Burton movies Batman was able to block some attacks (even gun shots) with his gloves (which had additional gadgets), but the spikes did not have anything to do with blocking attacks and their function was not explained.

I can't recall reading a comic in which these spikes were ever being used or even mentioned. I have seen plenty of gadgets on Batman suits (on the cape, boots, cowl, etc.). I think I can recall him mentioning that he stores additional gear on them <sup>1</sup>, but I have never seen those spikes specifically being used for anything.

So, apart from those references in Nolan's movies, has the function of the spikes in Batman's gloves ever been shown, discussed or mentioned?

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 <sup>1</sup> If I recall correctly, in *Batman Year One*, he loses his utility belt when the building he is in is set on fire. He is able to pull additional lock-picking tools from his gloves and open a lock to find shelter from the fire (he called himself a _lucky amateur_). In *The Doom That Came to Gotham* he has a tiny saw that he uses to free himself from chains.

  [1]: https://scifi.stackexchange.com/q/21407/32339