Keychain display

I was looking for a retail display for my keychains, but none did everything I wanted.  My list was: AdjustableModularIndividual hangers, not one long rodI wanted to be able to have each keychain on it's own hanger so people did not need to remove all the other keychains to get to the one in the back.  I wanted to be able to adjust how many arms the display had to allow it to grow with my inventory. Lastley I wanted to be able to remove or replace parts without having to make a whole ne