Translation of "Tighten" in Korean

And then as you tighten it...

그리고 이걸 쥐어짜면...

Put the flask through it, tighten that up, and then we're just simply gonna bury that down there.

보온병을 고리에 넣고 단단히 묶은 다음 그냥 눈 속에 묻어주고