“Tongue rolling is the ability to roll the lateral edges of it upwards into a tube. The intrinsic muscles allow some people cats to form their tongues into specific shapes. Popular belief holds that variation in this ability is the result of genetic inheritance.” Source
As you can see this is not only a human ability π . Here you can see the different levels of relaxation of our cat Fiete, expressed by the curving of his tongue.
Diese Nase!!! So sΓΌΓ.
Brekkis Nase π