The scale is drawn by the following method: Support and resistance line drawn in. at every new candle -as long as the trade has not started u reset ur scale. the scale is actually a fibonacci retracement with the following numbers -0.1; 0; 0.1; ...
I think it is the perfect time to short USDJPY. On H1 and on H4 you can draw a perfect support line in a down-heading trend, also, right where the price hit the support for last is Fibo 0.5. Pic attached usdjpy220813d1.png