MGShelf:
|  | Click it to load MG-Shelf which holds the scripts that U have embed before.
Right click on the MGshelf icon:
| Items above the "Update This Menu" : All embed user scripts will be organized with their categories, shown as menus in this section. Update This Menu : Update the pop up menus of MG-Shelf. MGShelf manager..: Select it to load MG-Shelf manager to manager your embed user scripts. MG-ShelfConvertor..: Convert shelf files from higher maya version to lower version ones. Open MGshelves folder..: Browse the folder that stores the MG-shelves data. MGshelf Help..: Select to load MG-Shelf help.