Just to note, The Godfather Collection (Blu-ray), all 3 movies are housed in 1 HD Keep Case with an outer case (it is slid in from the side). My understanding is, if each movie was housed in its own case (like the Batman collection Blu-ray) and then an outer case, then it would be a Slip Case.

I do wish all case types were spelled out in the rules to avoid confusion. As it is, when it comes to cases, it just links to the old case types thread (where the images have been removed).

Found this in the original case types thread from Ken (someone quoting Ken after which Ken states "All look correct")

"Slip Case should be used when the profile itself has no other case.  If the box set includes individual cases for children, all surrounded by a slip case, the box set profile will have slip case as the case type and the children will have their individual case types.  If the box set has a single multi-disc case surrounded by a cover, use the multi-disc case type for the box set and check the slip cover checkbox."

http://www.invelos.com/Forums.aspx?task=viewtopic&topicID=196158&PageNum=2

Sounds exactly like The Godfather. They make no distinction of how the slip cover is on, just the number of cases.

BTW, in that very thread, MadMartian you said:
I honestly don't see that he confused the issue.  If we follow the logic that Darxon and North stated earlier in this this thread, it becomes quite simple.

One case inside a cardboard sleeve: use Slip Cover
Multiple cases inside a cardboard sleeve: use Slip Case

Towards the bottom of the page:
http://www.invelos.com/Forums.aspx?task=viewtopic&topicID=196158&PageNum=5

Quoting reybr:

Quote:
And to add the exact post from where Ken was quoted

http://www.invelos.com/Forums.aspx?task=viewtopic&topicID=195609&messageID=381178#M381178

Impressive. Good work.

Quoting TheMadMartian:

Quote:
Quoting TheMovieman:

Quote:
BTW, in that very thread, MadMartian you said:
I honestly don't see that he confused the issue.  If we follow the logic that Darxon and North stated earlier in this this thread, it becomes quite simple.

Oh come on!  How am I supposed to remember what I said 2 years ago? 

Just kidding, I stand corrected. 

Pfft. No excuses. You must remember everything you have typed... ever! 

Quoting synner_man:

Quote:
Easiest way to remember (for all but a few rare titles):

Slip case: when it holds 2 or more keep cases/thinpaks/digipaks inside
Slipcover: when there is only one case type underneath

Doesn't matter what direction the openings are.  Just what is inside.

That's the rule of thumb I use too; Slip Case is what we now called what used to be Box Set (ie a set of more than one case) until the name was changed to avoid confusion with the Box Set rules (which applied to multiple films however they are packaged)