The alveolar or postalveolar clicks are a family of click consonants found only in Africa and in the Damin ritual jargon of Australia. The tongue is more or less concave (depending on the language), and is pulled down rather than back as in the palatal clicks, making a hollower sound than those consonants. The last can be heard in the sound sample at right; non-native speakers tend to glottalize clicks to avoid nasalizing them. The nasal click may also be heard at the right.