I already managed to lose track of which line I was on even AFTER reading Quiltingcandy's post, duh! I made the mistake and laughed because after reading your post I had thought to myself, " I'll never do that!". 10 minutes later I did it.
Sewing pup -- appreciate the note about not putting too much pressure on one side of the slits and best size of cutter.
Peace and joy -- I think this is what you were referring to, the strips moving. They do, but after one episode of this I know to hold them firmly and problem solved. Thanks again everybody for information.