- charging (e.g. in hotels),
- making selfies or
- watching a video with friends on a party.
It's made of cardoard, it's extremely lightweight, flat foldable and can be used nearly everywhere - especially on partes & events..
How to make it:
Simply print out the attached PDF file on a cardboard and use the short step-by-step explanation to create your own smartphone holder.
You may even take a look at my blog.