This comes in handy when camping, on the road or if the bathrooms are disgusting!
If you can't find a use for this, then you obviously have not been in a situation where you've wished you could pee through your fly... If the thought offends you, then please do not read on.
Step 1: Materials
What you need:
Plastic cutting board (the pliable kind)
Two pieces of wood (I hear thick books can also work)