Antique Handcuff Restoration and Bluing

I will restore these rusty antique handcuffs. I bought this interesting pair of handcuffs for restoration. The handcuffs work but they are really rusty. I will remove the rust with electrolysis and the blue the steel to protect it from rust. The handcuffs are constructed in a way that they cant be disassembled. That is probably a very good design for handcuffs because you dont want the prisoner to be able to easily disassemble them. To remove the rust I put the handcuffs in electrolysis bath. This will l