unhandcuff
/ˌʌnˈhændkʌf/Definitions
1. verb
to remove handcuffs from someone or something
“The police officer had to unhandcuff the suspect before taking him to the courtroom.”
2. verb
to set free from a state of being restrained or confined
“The judge ordered the unhandcuffing of the accused, allowing him to speak in his own defense.”
3. noun
the act of removing handcuffs
“The unhandcuffing of the prisoner was a crucial moment in the investigation.”