Complex sentence: Some people like to bias their front foot slightly towards the heel, and the rear foot slightly forward towards the toe, but most riders prefer that the toes and heels on both boots be centered directly over the edge of the board.
Split into simpler sentences: Some people like to bias their front foot slightly towards the heel, and the rear foot slightly forward towards the toe. However, many riders prefer that the toes and heels on both boots be centered directly over the edge of the board.