Well, we've already seen that a lot of tailors don't know how to keep the sesam centered, so I disagree. This isn't rocket science. I don't have doubt and I'm looking for reasons to mistrust him. I don't have any place to find feedback for tailors (and in particular I doubt I'd be able to find feedback on his slimming jobs, as I don't think those are common - maybe I'm wrong). I don't live in the US.