What's in the sandblaster?

[wickedwill]

Ok, I searched the Internet and couldn't find an explanation. I've always wondered if that line was a reference or it was just random.
I like to think that was random, but you're the experts.. Please, illuminate me!

From Wild at Heart
Willow: "It's in the sandblaster." Oz: "What's in the sandblaster, Will?

 

[Willow My Love]

Wasn't that the dream she had? I don't think we ever figure it out. I think it's just a dream.