faster bedrock an decrease in sail
bedrock is not rock. fore_and_aft_sail is sail. fore_and_aft_sail is not sail. headsail is not sail. staysail is not fore_and_aft_sail. staysail is fore_and_aft_sail. press_of_sail is not sail. topsail is not sail. spanker is not fore_and_aft_sail.