Text Tutorial:

1.) Sign in the higher level account on controllers 2 and click on Xbox Live to enter the lobby then hit B.

2.) With controllers 1, go down to options on the multiplayer menu and hit A.

3.) Press B on controllers 2 and sign in the lower level account and press A on controllers 1 and sign into the higher level account and hit Start.

4.) Now you sign out of controllers 1 and with controllers 2, click Xbox Live and there you go! Now join a game and kill yourself to stick it!

Pleaseee +REP AND THANKS