throw in
• include something free with a purchase.
• "they cut the price by £100 and threw in the add-on TV adaptor"
• make a remark casually as an interjection in a conversation.
• "he threw in a sensible remark about funding"
• return the ball to play by means of a throw-in.
throw-in
noun
• an act of throwing the ball from the sideline to restart play after the ball has gone into touch.
