It's a Weremoose Key
From TheKolWiki
It's a Weremoose Key
Whoops, looks like someone dropped their keys.
Hmm. This appears to belong to a weremoose -- you can tell by the way the key is shaped like an antler, and the "Canadia Is For Lovers" keychain. What does a weremoose need a key to?
...If you were expecting a funny answer to that, all I could come up with was "a weremoving van".
 | You acquire an item: weremoose key |
Occurs at Cobb's Knob Menagerie, Level 2 during a Low Key Summer run.
