Notes:

Unfurl: unroll or spread out

Lechery: lust, lewd desire

Calloused: thick and hard

Capacious: roomy or spacious  

• The writer refers to the fishermen as gamblers as they never now what they are going to get. 
• He refers to the fish as "chips", these are the tokens the gambler would win.
• In this case when he places his bet, he casts his net.
• The fisher men are also like gamblers as they think of alcohol, gambling and lust full thoughts 
• These fishermen lead hard and difficult lives, we can see this as their hands are coarse and rough
• Showing that they have done a lot of hard labour.

Figures of Speech

"Whirl"- onomatopoeia 

"Big baskets"- alliteration 

"Day flips a golden coin"- personification