Sentence:  With respect to the discipline of the place, there appeared to be but little coercion: two patients only were manacled to their beds, and four were <WSD>handlocked</WSD>; the two that were manacled to their beds, and the four that were <WSD>handlocked</WSD>, had merely been so, according to the statement of the Keeper, for a few hours, the two in their beds having had, it being a remarkably hot day, a great accession of fever. 
Meaning of the word marked with <WSD> tags:  To restrain with, or as with, a handlock.