what has caused this interest - I had an earlier email asking re it - the source is from "Curiosoities of the IoM" by Ann Moore 1994 (manx born journalist living off-island and specialising in such 'research' ) - grave of Matthew and Margaret Halsall (bur 1854 + 1858) - such chains were not that uncommon - most in UK removed for the misguided war efort that removed iron railings etc. - kept animals off grave