If you have it, you get infinite saturation effect.

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If you have it, you get infinite Night vision effect.

Left-click to teleport to the location you're looking at. Right-click to teleport all mobs.

Left-click on the designated object, then keep right-clicking to move the object. Left-click shift  on the object to reset the designation.

If you have this item, press B to switch game mode. Press A to reset mobs.