Re: physical, non-computer related security
Try a search for door limiter, door limiting restrictor.
I'd give you links - but I'd hate to be the cause of a spam report
Found loads of UK suppliers with this search string
door limiter security
Death was standing behind a lectern, poring over a map. He looked at Mort as if he wasn't entirely there.
You haven't heard of the Bay of Mante, have you? he said.
'No, sir,' said Mort.
'Famous shipwreck there.'
'There will be', said Death, 'if I can find the damn place.'