After watching the Curvemaster video a few times, I figured out how to use a vintage quilting foot (has very short toes) to sew Drunkard's Path blocks without any pinning. It worked pretty well, but there's no guide on the quilting foot that keeps the curved edges even and lined up.
I broke down and got the Curvemaster and I was thrilled to find that the foot almost sews the pieces together by itself. That thing is really slick and if you're making a big quilt, it saves an incredible amount of time - no pinning, nice even seam allowance, and it only took about six or eight practice blocks to get the hang of it. It's so fast!
I have suitable tweezers, but I don't use them much. If you position your fingers right, you can gradually pull the top fabric around and force it to line up correctly until just the last few stitches.
Rather than picking up the tweezers, I allow that last quarter-inch of seam allowance to go a little bit wonky - the blocks have to be squared up, anyway and that little bit at the end of each seam doesn't seem to have any effect on how the block lies. And it will be hidden in the next seam allowance when you sew the blocks together. :)
Elizabeth