7.—Having ace, king, and two or three small cards, lead ace and king if weak in trumps, but a small one if strong in them.
8.—If you have the last trump, with some winning cards, and one losing card only, lead the losing card.
9.—Return your partner's lead, not the adversaries', and if you have only three originally, play the best; but you need not return it immediately when you win with the king, queen, or knave, and have only small ones, or when you hold a good sequence, have a strong suit, or have five trumps.
10.—Do not lead from ace queen or ace knave.
11.—Do not lead an ace unless you have a king.
12.—Do not lead a thirteenth card, unless trumps be out.
13.—Do not trump a thirteenth card, unless you be last player or want the lead.
14.—Keep a small card to return your partner's lead.
15.—Be cautious in trumping a card when strong in trumps, particularly if you have a strong suit.
16.—Having only a few small trumps, make them when you can.