Please correct me if I'm wrong, but my interpretation of that section of the rule book allows an SFI 4.1 blanket to be used if it is specifically manufactured for that purpose, and if an aftermarket shield is not available. The blanket was a great option for me, saving a lot of fabrication, but I haven't had it through tech yet. If someone has experience with this, please let me know if I'm headed down the wrong path.... If it's OK, should be fine for Milwaukee, as well..
Thanks