A finger goes in me. You fiddle with me when you’re bored. The best man always has me first. What am I?

Question

I am the first thing you need while camping.
I am always with the person named Marcos Valencia and Carrick.
But Pogba Zlatan and Rooney thinks I am wasteful and do not need me.
I am the second to the last thing to add when you are making a patch.

What am I?