The game, however, is played in precisely the same way in all cases, whether by a "loving couple" on their own account or by one of the many girls in a regular house instituted for the sole purpose. And this is the way it is done: A pretty female, young, with entrancing eyes, an elegant form, richly and fashionably attired, is noticed daintily picking her steps on a street crossing. She is more frequently noticed in the act of crossing a street, as it affords her an opportunity of rendering herself still more attractive and seductive by practicing those apparently aimless little feminine arts that prove so fascinating to the coarser sex. The skirts are just lifted high enough to discover a beautiful foot; perhaps a glimpse of an ankle bewitchingly smothered in lace frills is revealed; while a warm scintillant glance of invitation is thrown at the interested beholder, who, perhaps, follows and engages her in conversation. More than likely he is agreeably surprised to find how lady-like and attractive her manners are, and by his own suggestion or her invitation he readily accompanies her to her home; not, however, without being previously warned that she is married, that her husband is very ugly and jealous, and a big, strong, quarrelsome fellow, to boot. The room to which she conducts him is apparently an ordinary room, furnished in an ordinary way. It is, however, usually a front room, separated by folding doors from the room in the rear. It is in connection with these folding doors that mystery and danger lurk. These folding doors are a study. Some are so constructed that instead of opening in the center, one of them opens upon hinges which are placed on that portion of the doors where the lock is usually situated, so that it opens at the woodwork on the side. If a chance visitor to one of these rooms should have his suspicions aroused by any act of his companion, and should closely examine the doors, he would find a bolt on the inside securely fastened, but he would not be likely to see that it barely rested in the socket, and thinking everything was all right, his suspicions would be disarmed. As there would be but one other door in the room--that by which he entered--and as he locked that himself, privacy would apparently be insured. In the folding doors are several minute holes, through which a person behind them can watch all that goes on in the front room. These holes, however, are frequently dispensed with, and a cough or other understood signal by the female gives the thief warning when all is ready for his entrance.