Large bag clip good for chips

I was bored and was looking at one of those large clips you buy at the store for your chips and such, and thought to myself, "I bet I can do that!" So I decided to draft it up for some good practice. I think I improved on the design, but seeing as I haven't actually printed this part, that is really just a guess. I would recommend printing the spring component out of something stiff but flexible, probably ABS (PLA would likely snap, so be careful, and make sure you thoroughly test the part wi