To be absolutely clear, mechanically speaking, a laid off club will present itself to impact in a closing manner, making it draw if anything. An across the line club will do the opposite into the ball, making it slice. The is fact, undisputable. Its also, however, taking the human element out of it. Some golfers will no doubt hook it from across the line if they grip it strong enough or time out some roll from the inside. Many golfers struggle cutting/slicing from laid off because their downswings do several things that either open the shaft more or dont close it at all. But all things equal, laid off is draw, across the line is slice. The main reason is hand path.