Answer: untangles

AnswerCrossword Clue
UNTANGLESGoes through with a fine-tooth comb, perhaps
UNTANGLESReadies a fishing line
untanglesFree from a tangled or twisted state
untanglesUNTANGLE, to free from tangles
untanglesMake (something complicated or confusing) easier to understand or deal with