How about a Key Ring!

shockerizer

I would love to see a Key Ring or some such thing for characters to hold the various keys we collect for dungeons. 12 slot with the usual stacking.

Get all the keys outta my bag and into a dedicated ring!

urabask

http://www.arcgames.com/en/forums/neverwinter#/discussion/1226510/dungeon-key-changes-update