I’m not in front of my H90 now, BenG, but I did recall a related Eventide H9 video with Christian Colabelli. He segues immediately into that Wasabi Lead Preset, and it appears that he’s consecutively re-picking to keep that sustain going.
Not unlike a Hendrix extended feedback technique on the live BOG ‘Machine Gun’. I can look into that Preset later on this evening, but either way, that video presents a nice overview of HotSawz:
https://www.youtube.com/watch?v=5AEbZnUQ6qc