Research on the ‘parchment skin’ illusion has revealedthat the feeling of our own skin is modulated by theauditory cues that are associated with self-touch [44].Similarly, our rating of the roughness and pleasantnessof the feel of other inanimate surfaces such as, for exam-ple, sandpaper, are also influenced by the contact soundswe hear [45].
Everything we look at, we know how it would feel to touch. This is also a weird fact but we have the same sensation in our tongues, So everything you look at, you would know how it would feel if you were to lick it