Crossword puzzle clue "old school method"

Here are the possible solutions for old school method clue

Answer
Clue
Relevancy
hydroponics
Clue
Method of growing plants that... look, it's for weed, all right? You use this method to grow weed
Definition
the practice of growing plants in a chemical solution without soil
rote
Clue
Old school method
Old-school method
School-drill method
Old-fashioned learning method
dialup
Clue
Old connection method
flailing
Clue
Old-fashioned threshing method
Definition
FLAIL, to thresh about
payphone
Clue
Old communication method
Definition
a coin-operated public telephone, also PAYFONE

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