I just got off a tour with my BassCello... it really is starting to feel natural now with the strap system. If you leave the tensioners in the hub a bit loose, you can make the necessary adjustments, especially if you're bowing at all.
I have to say this bass has pleasantly surprised me in many ways. I expected it to be a stopgap instrument to get me through tough travel situations, but it's a really viable instrument on its own. It fits easily into the overhead of most planes... though I had to turn on the charm with the lovely JAL agents in Nagoya

. It sounds good anywhere, even if the house amp sucks, because of all the onboard control. Beautiful neck and fingerboard. Very rich and organic sound. I'm quite happy with it.