The stranger comes back, tickles the vulnerable Helena. She is more secured to the chair and silenced.

Helena is bound hand and led blindfolded into a room. Here She ties of the hijackers to a chair and lets Helena tied up, gagged and blindfolded back alone.

Another variant of an effective restraint with Natasha.

Sandy is from the burglar restrained and silenced with a harness and blindfolded. Before he leaves, he teases out the powerless person and then attached a small vibrator at Sandy's foot. After switching Sandy is troubled by laughing attacks.

Natasha enjoys tied it to be in your bed.