Webster's Revised Unabridged Dictionary · 1913

Darbies

Darbies (dar"biz) , noun, plural

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.”