The bolt. The bolt goes in the receiver.
6 seconds sound clip from the Jaws (1975) movie soundboard.
You can hear this line at 00:19:35 in the Blu-ray version of the movie.
Quote context
[...]
- He'll teach you everything. He'll teach you how to pee.
- Private Joker is silly and he's ignorant, but he's got guts and guts is enough.
- The bolt. The bolt goes in the receiver.
- And the left one over the right. Right one over the left.
- Left one over the right. The right one over the left.
- Just throw your other leg over.
[...]