This was my understanding of it (and from explanations from various sources):
“Two Mandalorians would extend a hand and clasp each other’s forearms just before the elbow. It’s to show their strength and ability to haul a comrade to safety in the event of injury.”
Then I looked it up.
Keldabe Handshake: “A Mandalorian unarmed combat tactic where one would violently grab a (humanoid) opponent’s groin.”
I am suddenly very proud to be a mando…..
Haat, ijaa, haa’it - Truth, Honor, Vision
Used when sealing a pact
The Doctor fights the cutest daleks in the history of the universe and loses to the cuteness