covermountcov‧er‧mount /ˈkʌvəmaʊnt $ -ər-/ adjective [only before noun] 
a covermount CD, DVD etc is one which is attached to the cover of a magazine, and which you get free when you buy the magazine—covermount noun [countable]
a covermount CD, DVD etc is one which is attached to the cover of a magazine, and which you get free when you buy the magazine—covermount noun [countable]