Billy N Izi -10-00-22 Min

They found it lodged between two jagged ribs of volcanic rock. It wasn't a black box; it was a silver canister, sleek and humming with a low-frequency vibration that rattled Billy’s teeth.

: Mumutofu Story is a YouTube reality series that documents the genuine relationship and daily lives of Billy and Izi. Billy n Izi -10-00-22 Min

Thus, this is likely a named after two collaborators or protagonists. They found it lodged between two jagged ribs