I have decided on my strategy on fighting the crabgrass. Since it's so hard to pull a lot of it without injuring one's back, I have decided that two hands full at a time is enough. I'll just need to do it more often, less at a time.
I'd show you my progress, but my SD card reader has decided to go and die.
But someday my pretty garden decorations will be more than a couple inches taller than the crabgrass. -- Someday