His free-kicks tend to go up high very quickly, seeming to explode off his foot. This comes from the quick and short follow through right after making contact with the ball. If done properly, the kick won’t spin, but will arc up, then dip back down quickly, or zig-zag according to the power put in with the follow-through. [2] X Research source

To give it the knuckle-ball effect, you need to avoid putting any spin on the ball whatsoever. Try to hit the ball just below the middle but not too low so that it doesn’t take backspin. Not rolling it off your foot at all.

Imagine you wanted to make the knee of your kicking foot touch your chin after you make contact with the ball. Done properly, your kicking foot should hit the ground first. Now stand back and watch your knuckle-ball in all its unpredictable glory.

Though he often plays on the left side of the field, Ronaldo also switches, depending on the play as it progresses, and will go to the center to take crosses as well. [5] X Research source

Practice step-overs to imitate Ronaldo’s great dribble. Also, try to practice his distinctive behind-the-leg direction switching pass that he does to himself.