This is how you do an elastico in an actual soccer game and not just in training. Check out Brazil's Willian pull off an elastico versus Turkey - yeah, he makes the two defenders look quite silly. Willian stands on the ball for a few seconds and then splits the two defenders with one quick move. He uses the inside of his foot to sort of whip the ball between the two defenders.
And here's the Chelsea and Brazilian midfielder doing the elastico move from the reverse angle. Yeah, looks even worse from this angle for the defenders: