The stranger comes back, tickles the helpless Helena. She is more tied to the chair and gagged.

Helana tied to a chair associated with cloth gag and eyes. She has no chance to escape

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 hogtied and gagged with a harness and blindfolded. Before he leaves, he teases out the helpless girl and then attached a small vibrator at Sandy's foot. After switching Sandy is tormented by laughing attacks.