Interesting. I wonder if a little wind jutsu would send it flying farther. Or maybe a water jutsu to increase the size of the spitball? But then it might dilute whatever quality makes it explosive in the first place...

[kakashi ponders out loud, unbothered by katsuki's apparent disinterest in him. part of why he's here is to teach elemental synergy, after all.]

What do you think, want to try it out?