Golpe technique. The golpe technique, basically you're tapping the top of your guitar for a percussive sound to add in with your playing. This comes again from the flamenco world. What the flamenco guys might do is something like this. [playing guitar]
Just to add little accent spots here and there, it helps to have fingernail on there, because you're actually tapping, but you don't want to tap really hard or you're going to wreck your fingernail. You don't have to tap loud to get a loud sound. [tapping guitar] I'm slightly using my fingernail and tapping on the guitar. You can practice finding your favorite spot that gets the loudest sound. But the thing is practice, maybe finding different spots that work for you, even if it's not truly accurate flamenco, it's a really good technique to get into your playing.