This is my English translation of a famous puzzle that is apparently little known in the West.
An answer's already been accepted, but since the riddle isn't very specific I think there may be other correct answers. One answer I came up with is
a page in a novel
Explanation if you need it:
Many people turn pages by licking their finger and then turning the page. This requires a bit of a liberal view of "to lick", but maybe it makes more sense in another language.
Or, even better,
The sticky part of an envelope
This is the same logic as the accepted answer:
Which, of course, is licked, then "caressed" to seal the letter. I imagine many similar adhesive-related answers exist.