Mate the reason blades are turned towards the handle on fine tooth blades is so that as you pull the saw towards you the teeth are all pulled in a straight line and cutting in a straight line with the kerf working properly, If for instance you lay a piece of string on the kitchen worktop and push it with one finger towards the other end it'll ripple, pull it away in the opposite direction an it stays straight, same principle with Coping,fret and junior hacksaws the teeth all last longer cut cleaner and straighter when they are not being pushed and rippled into the cut. Yes rigidly made Coping, fret and junior hacksaws will physically work that way round but its not how they were designed to work (tension/compression etc) try reversing the blades I'm sure that you will be very pleasantly suprised at the results and find following the mark lines on the face side easy to follow with zero breakout.
Hope it helps

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