He wants to use them

"Put your hands behind your back." Eddie says, his voice now seeming a touch cooler, more confident than before.

You hesitate for a few moments, not knowing what Eddy has in store for you.

"Come on..." he repeats

"If you don't, I can't finish the demonstration, and from the looks of it, you really don't want that."

Eddie chuckles as you realize his eyes are most likely on your moistening pussy, which after the spanking he has just given you, has started to ache with need.

Your breath catches in your throat as you slowly acquiesce to his demand, placing both your hands behind you, the extra weight on your back pressing your hardened nipples almost painfully into the desk.

"Click!"

It is a few moments before you realize that the practiced bondage enthusiast has deftly handcuffed your arms behind your back. You instinctually struggle with your bonds, feeling a primal fear at knowing your control over the situation has gone and you are now completely at the mercy of this man you barely know. Eddie speaks with a cocky snigger.

"Come on, girl, don't struggle, you know you're enjoying this really. Now, be a good girl and let me continue with the demonstration."