The object of cushion caroms is to score "cushion caroms", meaning a bounce off of both of the other balls on the table, with at least one rail of the table being struck by the cue ball before the contact with second object ball. Cushion caroms was not played for a number of years, but came back in the late 1860s. Its return was for similar reasons as to why balkline developed. It was frustration of many people with straight rail. The techniques such as nursing that were invented to make scoring much easier, also made the game very boring to watch. Thus, as straight rail lost popularity, cushion caroms was revived for a time. Cushion caroms is rarely played in the U.S., but it still has some popularity in Europe.