The trick of this stand is that it uses the device's own weight to prevent itself from toppling over - just like a bookend.
Level : Easy
Cost : $0 (approx.)
Time : 2 min
I have also discovered that if you use two of these paper clip stands you can easily support a Tablet in landscape mode.
There is also a video to this and if you want you can jump directly to the last step to go to the video.
Step 1: Materials Needed
1. A paper clip (obviously)
2. A pair of pliers or something similar to bend the paper clip.