Webster’s Revised Unabridged Dictionary · 1913
Darbies
Dar′bies (där′bĭz), n. pl. Manacles; handcuffs. [Cant]
Jem Clink will fetch you the darbies. Sir W. Scott.
☞ In "The Steel Glass" by Gascoigne, printed in 1576, occurs the line "To binde such babes in father Derbies bands."