Here are some step-by-step directions (modified a bit from Vicki's) for making this card with the Scor-it Mini. If you don't have a Scor-it, you can still use another scoring method to make the card.
1. Cut a sheet of cardstock to 4"x12".
2. Score in from the left at 4".
Now, some notes about using the Scor-it Mini. What I loved about the Scor-it was the wonderful, deep crease I got EVERY time. Also, I had no issues with the tool slipping. The Scor-it was easy to use right out of the box. And the Mini is small enough to not take up a lot of space on my desk! Plus, the scoring tool attaches to the scoring platform with a bead chain, making it hard to lose on my messy desk!
One thing that I noticed was that in order to score a sheet of paper longer than 5.5 inches, I had to do it in sections. So the Mini is really only for standard card making. I'd recommend the larger Scor-it if you plan to make larger cards or use it for scrapbooking. Also, if you need to make a number of scores, you need to move the paper each time. You need to be careful that you line up with the correct measurement each time.
Bottom line: the deep crease I get with the Scor-it Mini makes it perfect for card making and small projects!
Stay tuned Monday and I'll have a another step-by-step tutorial for you!