Sea World $$$!

I got an oyster for $15! How? A diver got some oysters for me and I picked one. Then we did a cermony for it. We said a word each time when a bell rang and tapped it with a stick. We said 'Opea Opea Oyster!' Then they cut it open, then look inside and find one or not. Then I buy it, get it cleaned, and measure it. They put it in a bag for me. Bye!