Please help us identify this weird-ass pitch

From Twitter.com:

Please help, Internet.

This is the grip:

The obvious answer is that it’s a hard knuckler, but then the grip makes it confusing, like it’s a circle change.The few scouting reports I can find in English don’t help.

With an overhand delivery, Kishi throws a high-80s four-seam fastball (tops out at 93 mph), changeup, slider, and a solid-average curveball around 70 mph.

No mention of that thing up there. It’s probably just a hard knuckler. Still, check out that weird, hard knuckler.