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Answer: Sandworms
Why: Riding one is the test that makes a Fremen an adult, and the hooks work by holding a segment open so the creature cannot dive.
Answer: Protomolecule
Why: Sent toward Earth two billion years ago, the protomolecule lay frozen in Saturn's moon Phoebe until humans dug it out.
Answer: Russian mycotoxin
Why: Case was injected with the toxin as punishment for stealing, cutting off his ability to enter cyberspace.
Answer: Reese's Pieces
Why: Mars famously turned down the product placement for M&M's, causing Hershey's sales to skyrocket instead.
Answer: Facehugger
Why: The Facehugger breathes for its host through a throat tube, then dies and drops off, leaving the victim awake and unaware of the embryo.
Answer: Ludovico Technique
Why: It pairs drugs with forced viewing until violence itself makes him ill, removing the choice rather than the impulse.