Yeah. I was responding to the I wonder what it would take to get similar offerings to compete with American fast food? part. Onigiri looks like it would work if it holds together in your hand (don't know, never had it). Bento wouldn't.
It has amazed me that there isn't a USA chain that has taken some food from Japan or China and it put it in a form that would be a good burger substitute. I would imagine some wrap? I could really go for a spring roll when I'm driving instead of a burger.