It is a technique that has been around for decades, but very few have truly mastered it.
The ability to keep your shot on target, while also striking the stationary ball with as much power as your body can muster can be a deadly but highly unpredictable skill.
Dip and swerve can add to the strike's effectiveness, but we are dealing with players who succeed primarily due to the brute force with which their leg is able to propel the ball goal-bound.
Brazil's Roberto Carlos is perhaps the player most famed for his cannon-like set-piece taking in recent years, but there have been many others worldwide.
So, let's have a look at six of the most powerful, if not most effective, strikers of a free-kick in football history.