Originally Posted by King's Daughter
Because don't you need to stay on the low side of the seam? When you alternate which direction you press, the low side changes from row to row. Unless I'm doing something wrong, which of course never happens!
That just makes it easier. I use alternating seam press for nesting purposes, and I SID. Actually, I have a SID foot that keeps the guide in the ditch - no matter where the seam bulk is. You may just have to go a little slower when your seam line is a little wobbly,