Aside from a sawback being useless for most purposes you have to keep in mind that any deep, sharp serrations or sawteeth create weak points where the blade is liable to snap when stressed heavily.
Agreed
Another reason i have to stay away from the Razel and focus on making one myself using the model of hack knife and EOD tool.
DIYing it is the way to go
Lets hope I don't lose a finger or something LOL