Kagi charts are not available on most free forex charts. But GFT Dealbook 360 has them. The best thing about Dealbook though is their forex news; it alerts you anytime a new story is released. The two bad things about Dealbook are it takes a LONG time to load (give it a full two minutes, even on...
If anyone is interested in this approach, but without the randomness or gambler's angle, consider Kagi charts. Read up on how they work. The Japanese invented them in 1870.
My favorite system, similar to what is described here, is VT Trader's Volatility (ATR-based) Level Stop-Reverse trading...