What Am I? Not Another Mystery Kar

Last week’s picture of K2’s desktop PC fan What Am I? was such an oddball that it is still unsolved (at the time of writing this), so perhaps that one is a bit too obscure…or maybe that is the future for the What Am I feature — a totally obscure and unrecognizable, instead of slightly obscure or unrecognizable. Regardless, here is an easy one.

What Am I? Comments below.