[basically, this is nothing more than cooking the oysters, as the process kills them (hence then need for the rubber bands to keep them closed), while the flesh becomes a bit rubbery after the cooking process.
basically, steaming whole oysters in the shell accomplishes the same thing.]
“Ive not tried it myself, but I believe the processs objective is to kill the bugs without killing the texture.”
except that that process DOES kill the texture, for all practical purposes cooking the oysters. Read the link I posted about that:
https://www.npr.org/templates/story/story.php?storyId=120391035