How is “hand in hand” used?

In The Hateful Eight (2015), one line is: “but hand in hand I know we will get there”

Which movie is “hand in hand” from?

The clip at the top of this page is from The Hateful Eight (2015).

but hand in hand I know we will get there

8 作品で登場 · 1 本目

if two people are hand in hand, they are holding each other's hand

10 本の映画に登場

1
if two people are hand in hand, they are holding each other's hand
2
if two things go hand in hand, they are closely connected and one thing causes the other
Poverty and poor health often go hand in hand.

定義：Oxford Advanced Learner's Dictionary 第 9 版