Slapping palms as a form of greeting a friend and then holding their hand as you pull your fingers back until it makes a snapping sound.
Thank you, Urban Dictionary!
I’ve been doing that probably since before OP was born and never heard that phrasing for it
My God, they made new slang words
They must stop, okay? I’m getting older, I don’t want to learn new English words anymore.
That looks like a Janney type coupler, a semi automatic train coupler.
Exactly which of the types of Janney coupler it is I can’t say.
The USSR/Russia uses a similar design called the SA3 coupler.
Tye SA3 coupler is in use by the Swedish iron company LKAB where they pull massive trains with among the world’s most powerful locomotives, currently the Iore, but in the past the Dm3.
This has been your semi related train fact comment of the day.
A good write up on reddit https://old.reddit.com/r/trains/comments/uk8jfh/georgia_pacific_5_on_display_since_1960_in_avery/
