Mystery Pneumatics Piece?

[philso]

Welcome to CD.

It is great that you are asking these questions this early in the build season. You will find that many people here are very willing to help you. Unfortunately, there may be errors in your system that you do not realize are errors so you will not ask about them and you may get hung up once you get to your first tournament. You are in Toronto, surrounded by many teams with a lot of experience and who are typically very willing to help rookies like yourself. It would be best to ask one of them to look over your system. There is no substitute for actually laying eyes on it.

Best of luck in the upcoming season.