Best way to be [As Alexis knows AT and has no doubt seen Agito ride before, she may notice that Lind's movements are very different to his, in that Lind has a grace that his youngest brother doesn't care for.
The original notices her after a moment, mid-way through a trick. He grins at the look and pulls off another trick that's even more elaborate than the last, and it's only at the absolute last second that he shifts to land and does so perfectly. Damn that's fun]