This is a question with answer options. Goal: How do I cut a potato accordian style?

Which of the following methods is more reasonable for accomplishing this goal?

Available choices: (i) Using a Presto Tater Twister Curly Cutter you can use the attachment that will cut the potato accordingly. (ii) Use a small sharp knife and gently twist it around and around the potato cutting it in a spiral.....I think the answer is
(i)