I'm my local dialect of Arabic we say some hilarious expressions for peeing including:

I'm going to fly some water (like flying a kite)
I'm answering nature's call
I'm paying the judge.

My favorite term for pooping in nature when we go hiking was:

Planting a mine

It should be OK, people put blankets on the floor all the time.

But why don't you store them in a close during the summer?

That's been always the case on other platforms on top of the official ads. Damn every now and then you'd see what's clearly an guerilla ad campaign hitting the front page of reddit.

I always suggest origami for these questions.

It's cheap, you only need paper.
It can be as simple or complex as you'd like it to be.
Plenty of free resources available online.
Doesn't need a lot of space, just a table.