What side do you Melvin Jones pin?

It appears you are asking about a person named Melvin Jones and a specific action related to "pinning." However, without more context, it's impossible to understand what you are asking.

Please provide more information about:

* Who is Melvin Jones? Is this a real person you know or a fictional character?

* What does "pin" refer to? Is it a physical action, like pinning a badge or a shirt? Or is it a more metaphorical concept?

* What is the situation or context? Where is Melvin Jones? What is he doing?

With more details, I can give you a more relevant and helpful response.