Holding a leash may suggest that you are restraining someone from exercising his or her personal freedom. It may represent the restraint of your own behavior in public.
Controlling one to the point of complete domination
To dream that you are holding a leash indicates a need for more control in your life.
To dream that you are wearing a leash, suggests that you need to show more restraint with regard to your infatuations and the way you express your sexuality.
For example, clothing that is tattered or torn may signify that you feel emotionally shredded by an experience. You may also be expressing a "poor me" attitude.
For the hero, the horse cames him to his mission, perhaps over long distances, and thus it may signify the need to travel. A wild horse can represent unleashed and untamed power. Horses may also trot into your dream to indicate the need to stand your ground in a power struggle.
The quality of water often describes the situation of your emotions. Crystal clear, clean, adulterated, calm mostly provides strong insights about the state of your feelings.
The famous Pandora’s Box held all the forces of good and evil in it. Pandora opened the box and unleashed its wrath into the world. She was able to close the box and in it hope. Thus, it is said that hope remains. (Pandora’s Box was not really a box at all, but a jar!) The interpretation of the box in your dream depends on the details of the dream and on the content of the box. Just remember that the box is symbolic of mystery, secrecy and of something precious.
The box in your dream might represent potential that needs to be realized and that will slowly come to your conscious awareness. Dreaming of a box suggests that risk taking may be necessary and that you may discover power and wealth that currently may be in the unconscious.... The Bedside Dream Dictionary
For the hero, the horse cames him to his mission, perhaps over long distances, and thus it may signify the need to travel.
A wild horse can represent unleashed and untamed power. Horses may also trot into your dream to indicate the need to stand your ground in a power struggle.... Ariadne's Book of Dream
In India, an emblem of divine wrath being unleashed.
China: The Lord of Animals, who embodies the attributes of authority, courage, passion, adventure, and prowess. Similar symbolism exists in Japan where the tiger represents heroic energy and self-regulation.
Riding a tiger: Confronting dangerous elemental powers that might get quickly out of control without constant monitoring.
Learning patience and the value of silence in achieving your goals. Tigers are slow, meticulous, and silent hunters.... The Language of Dreams