I can't remove the sim from my iphone5s?

I've tried paperclips and toothpicks. I keep on poking the paperclip in but nothing happens.

Added (1). Am I supposed to push it in really hard or something?

Added (2). Am I supposed to push it in really hard or something?

Added (3). Am I supposed to push it in really hard or something?

Is your Iphone 5s blocked?
If it is, is because you can't change the sim card.