Surely a player of your bridge skills is familiar with most or all of the following tips you are about to read. But is your partner?
Before playing to the first trick, review the bidding and make sure you remember the opening lead.
Sometimes the opening lead is a small spot card and it is important to know exactly how small. If the opening leader later plays another small card in that suit, you really want to know whether it is a higher or lower card than the original lead. You really do!