Some interesting information about dreamcatcher:
Dreamcatcher - Indian talisman that protects the sleeper from evil spirits. Bad dreams are caught in a web, and good slip through the hole in the middle, just as the catcher carries good dreams. It is a web of threads of the harsh and deer lived stretched on a circle of willow branches; as the thread weave a few feathers. It hangs over the head of the sleeper. This amulet can make your hands or buy a souvenir shop.
In some Native American cultures a dreamcatcher is a handmade object based on a willow hoop, on which is woven a loose net or web. The dreamcatcher is then decorated with sacred items such as feathers and beads.
The meaning and purpose of the Dreamcatcher in different Indian peoples are different. So the Lakota people believe that the Dream Catcher catches good thoughts and dreams and allows all negative. And the people of Ojibwe dreamcatcher "filter" the dreams, passing a pleasant and kind. Evil and bad dreams are caught in its web, and with the first rays of the sun fall apart.
Dreamcatchers originated with the Ojibwe people and were later adopted by some neighboring nations through intermarriage and trade. It wasn't until the Pan-Indian Movement of the 1960s and 1970s that they were adopted by Native Americans of a number of different nations. Some consider the dreamcatcher a symbol of unity among the various Indian Nations, and a general symbol of identification with Native American or First Nations cultures. However, many other Native Americans have come to see dreamcatchers as over-commercialized, offensively misappropriated and misused by non-Natives.