The cheeks are soft ... the movement of the tongue is erotic ... the suction power is amazing ... this is an adult blowjob! The rough surface of the tongue and the slimy back of the tongue are kept in close contact with the sensitive glans with plenty of saliva. Plenty of suction sounds and saliva sounds are also included! Imagine the comfort with the bulge of the cheeks and the movement of the tongue. My sister's mouth and my mouth are completely integrated. If you keep sucking any more, your glans will get soaked with saliva ...