Trailing Stop Loss is something if you master you will know the meaning of consistent profits .. the use of Trailing Stops may vary from trader to another but some basic rules should be applied to have the best of using Trailing Stop Techniques .. 

John Barrett is presenting some tips to use trailing stops correctly and how that traders use it at the beginning of their trades which is considered to be unrealistic .. and the concept of that you can't have both tight stops and catching the last peak or bottom  of every trend .. !!

John also commented about the use of Price Retracement ( pullbacks ) in order to estimate how big your trailing stop should be ..