Speedmaster - What's This Gizmo?

I posted this question in the tech section a few weeks ago. No one had an answer. I'll post this in the Bonneville specific thread as well, since the Bonny probably has one of these too.

Anyone know what purpose this thing serves? This is on a 2018 Speedmaster. It's plastic and clips on by the left side air cleaner housing under the side cover. It's a tool of some sort. At first, I thought it might be a fuse puller, but it's not. It has no means to grab a fuse. Toothbrush holder?