dog tongue

I (male)have been licked by a few dogs and some seem to have sloppy smooth tongues but my current dog has kind of a rough tongue. Is there anything I can do to soften the roughness? Dog likes to lick on his own but wondering if there’s anything safe I can give the dog to soften his tongue or...

So it would seem that my introduction to you all will also include my first actual real experience. A bit about me first. As the name would suggest I am a mom of two all be it they are now of an age to have flown the nest but that still qualifies me to be a Milf right? The horny part is true...