Hammer 
To dream of a hammer suggests hardiness, power, control, and other male values. It represents construction and maturity.
To dream that you are using a hammer suggests a recent beneficial act that has come to completion. On the contrary, this dream indicates that you could be confronting issues from your past, especially internal conflict.
Hammock
To dream of a hammock indicates that you should spend more time relaxing and enjoying everyday activities.
To dream that you are lying in a hammock suggests that you could be driving people away from you.
To dream that you fell off a hammock indicates that you are taking those around you, both friends and family, for granted.
Hammerhead shark
Dreaming of a hammerhead shark denotes your fear of an enemy or danger. While fish and dolphins are beneficial and positive images to see in a dream, sharks in general represent all things greedy and cold. Regularly dreaming of a hammerhead shark means that there is someone in your life who may be deceiving you in some way. They are not being completely honest with you.
Nails
To dream of hammering nails represents strength and ability in negotiations. The wisecrack, 'getting nailed,' may mean getting caught or suggest sexuality. On the other hand, the phrase 'hitting the nail on the head' means taking full control of a situation.
To notice nails in your dream suggests tiresome labor for insufficient salary.
To see crooked, broken, and corroded nails in your dream means disease or business failure.
A dream involving a scene where you actually hurt yourself with a nail suggests the need to be cautious and tactful in communicating with others.
*See Fingernails.
Piano
To dream that you are playing a piano expresses your desire and yearning for a harmonious life.
Where the piano is located hints at the part of your life that needs to be tuned.
To hear the sound of the piano in your dream suggests accord. You are content with the results in your life.
To dream of an out-of-tune piano denotes some difficulties in life. You need to focus on your problems. You need to mend broken relationships and devote more time to your family obligations, relationships, and tasks
Auger
To dream of an auger is a symbol of exertion and strife.
Mallet
To dream of a mallet implies disorder in your domestic life. Others will cause you great distress with their callous behavior. They don't seem concerned by the fact that you are not in a perfect physical or emotional state.
Zither
To dream of a zither indicates that there is a creative but simple solution to a current problem.
Dreaming that you are playing the instrument to a rapt audience implies that you will discover the solution very soon and that the outcome will be rewarding and satisfying.
Someone else making the music in your dream suggests that you may have to wait awhile for the answer to your problem to become clear.
Dulcimer
To dream about a dulcimer represents your relaxed thoughts. You believe that your ambitions and hopes will come to fruition.
Blacksmith
To dream about a blacksmith is a sign of resilience and fortitude.
Sledgehammer
To dream of a sledgehammer implies that you have built a barrier between yourself and others. You should remove this barricade and reveal your feelings and emotions.
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