Household: Myself, Miracle Blanket

Does the Halo Sleepsack Swaddle Blanket Work?

I have a 9 week old and I'm trying to find the best swaddling solution. We have gone back and forth swaddling her really tightly with a regular blanket (which she finds a way to get out of) and the Miracle Blanket. We've been using the Miracle blanket exclusively for the last week or so and it is working fine, but I'm interested to know if others have had success with the Halo Sleepsack swaddle blanket. It looks like it would be much easier to swaddle a little one in than the Miracle Blanket but I'm wondering if it really holds their...