<http://schema.org/about>
"Similar to the sandpaper tongue of a domestic house cat, the coarse tongue of a tiger is equipped with sharp barbs that allow it to groom and lick the fur off i"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/animals/stories/sumatran-tiger-shows-off-its-massive-barbed-tongue-photo>