Template:User No visible backpack
Documentation for User No visible backpack
Example
{{User:RedXM/whynobackpack userbox|doesn't like you}}
Produces this:
{{User:RedXM/whynobackpack userbox}}
Produces this:
{{User:RedXM/whynobackpack userbox|doesn't like you}}
Produces this:
{{User:RedXM/whynobackpack userbox}}
Produces this: