actually, the original intent was to be able to depress the pin in the pin valve of a tank. it's a relic of a past age of the autococker. it wasn't the best solution, but it worked well enough.
Think I should trust you more because you have a "BST Trusted" Badge? Tough. This is still the Internet.
The Cocker Haiku:
Did it work before?
You screwed with it, didn't you?
Got what you deserve.