Excerpt: It's not uncommon for manufactures to offer custom rack ears to allow you to rack otherwise non-rack mounted gear. In this particular case, Moog put a bit more thought into the rack ears they designed for the desktop bass synth, Minitaur. The rack ears allow for mounting at two different angles, allowing you to choose which is right for your particular layout. The first angle places the Minitaur flush in the rack, aligned with your other gear.
Pros: Ease of installation, Good design, Good Quality