/sho
Save their holding object settings to the specified file
In the game
Usage: /saveholdingobject <HoldingObjectFileName> [Optional:HoldingObjectSlotNumber]
Allows you to save your current holding object settings to a file.
The file name must not contain spaces or silly characters. ONLY use A to Z and 0 to 9.
The shortcut for this command is: /sho
What it does
Not explained in detail yet.
Wiki