Or maybe fish, or a heart, but it doesn't suggest flames to me, I agree. Of course, if 'blaze' is hard to communicate visually, 'back(up)' is even tougher... an

Or maybe fish, or a heart, but it doesn't suggest flames to me, I agree. Of course, if 'blaze' is hard to communicate visually, 'back(up)' is even tougher... and to do both at the same time, well, I can see how they got here.