mb have made this statement on their site
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they are distancing themselves from blame here, which is a bit off, but on the other hand the use of the words "entirely useless" by the coroner were "entirely inappropriate" and designed to grab headlines.
i would be interested to know what the pubs say (and have historically said) about the shackle - it seems some on here are clearly aware that overtightening was a risk, but from the inquest the pubs seem unclear on this which seems rather surprising given the consequences.