The beeps correspond to actual keypresses, so you can’t fool the skimmer by pretending to touch multiple keys.
The keys on ATMs I've used don't actually move much, so you could put several fingers on the keys at once and press only slightly harder with the one you intended. It might confuse any PIN pad overlays too, which by design have to activate with less pressure than the real switches so as not to arouse any more suspicion.
The keys on ATMs I've used don't actually move much, so you could put several fingers on the keys at once and press only slightly harder with the one you intended. It might confuse any PIN pad overlays too, which by design have to activate with less pressure than the real switches so as not to arouse any more suspicion.