From Speedsolving.com Wiki
The Makisumi-Garron Last Slot (abbreviation MGLS) is a method for solving the final F2L slot while simultaneously orienting the last layer, invented by Shotaro Makisumi in 2006 and later developed by Lucas Garron.
There are two steps:
- MGLS-F - using MGLS with the Fridrich method (all MGLS steps apply)
- MGLS-Z - using MGLS with the ZZ method (only the the CLS step is used since LL edges are pre-oriented during EOLine)
- MGLS-P - using MGLS with Petrus (only the the CLS step is used since LL edges are oriented during step 3])