Swiss hikers have no problems with double indirection. That proves this collection of signs for hiking routes pointing to the location of other signs:
![](/icons/pointerpointer1-600x447.jpg)
![](/icons/pointerpointer3-600x337.jpg)
![](/icons/pointerpointer2-600x337.jpg)
![Another instance of](/icons/pointerpointer4-600x337.jpg)
![](/icons/pointerpointer5-600x373.jpg)
![](/icons/pointerpointer6-600x337.jpg)
![And to add a level of indirection, here's me taking a picture of that last sign post.](/icons/pointerpointer7-600x419.jpg)
Swiss hikers have no problems with double indirection. That proves this collection of signs for hiking routes pointing to the location of other signs: