Of dildos? From what I've gathered it's "shove it up a cavity, preferably not the nasal one, move it around and feel good.". However, a person has only so many holes and only two arms with which to hold dildoes. Even with some creativity, I don't see how you could use more than maybe 5 at the same time.
Here's the link to his other stuff, I love his artstyle the grills always look so happy tfw you want your grills to be happy in your hentai comics i think i have problems