Page 188 by Pete on September 4, 2012 at 12:00 am Chapter: Chapter Five - Conclusions From The CuriousCharacters: Finn Schaaf, Raezinus
Looks like an armguard or something? Does it shoot lasers?
It certainly looks strangely familiar.
First/last seen waaaay back around page 69: http://www.deverishalso.com/archives/page-69/