There's no reason why a police officer has to use handcuffs. If, for example, he's experienced with rope, and if he really wants to immobilise the perpetrator he's just caught, brazenly flaunting herself on a street corner in nothing but her lingerie, hoping to lure naive young visitors to the city into giving up their money on the promise of something she has no intention to deliver...
And once he's started he might find himself getting a bit carried away. There's no real reason to incorporate her toes into the already strict hogtie, for example. And yet, perhaps he's a man who just can't help doing things thoroughly...