what the name of this vastly used technique in guitar rhythm sections (specially done with flamenco or classic guitars) and has a chick chick sound? I know how it is played but I don't know the name. May someone help me? Sorry if I have not asked this question in a right place!
https://drive.google.com/file/d/0B1dRRfQB7Xrfd0t4OXZDSFkyTFU/view?usp=sharing