Channel trading- price action

Another frequently use indicators- drawn by using joining to high and 2 lows with straight line as shown in diagram.
Definition of channels
http://www.investopedia.com/terms/c/channel.asp
Insert/drawing line in mt4
http://www.youtube.com/watch?v=Hxsj0hii1II


More channel trading video
http://www.youtube.com/watch?v=G5DRkNzl4rk
http://www.youtube.com/watch?v=VltvgjLBuBo
http://www.youtube.com/watch?v=D_H-c5uVac8&feature=related
http://www.youtube.com/watch?v=0GOzvKTqJhY&feature=related
http://www.youtube.com/watch?v=i3i-2XrGFC0&feature=related