These pattern is one of the most rarely pattern to be seen in the market because most of the pattern we see are double bottom, head and shoulder, wedge, and triangle. These is a very old strategy in trading but still working because lot of traders are still using these patterns. However, since the pattern was so common nowadays, smartmoney are also aware of it, that's why we have to add more confluence such as RSI and Volume indicators to increase the probability that the price will go to the expected direction.