How to lock the new Barebones game type

This tutorial shows you how to make your barebones gametype locked:o

The first thing you have to do is invite 3+ friends to a barebones game while searching for the game,
Once they all join your session you ( being the host of the game ) need to back out and join the game as fast as you can,
If done correctly the Barebones match should be locked ( invite only )