what problems do you have in your head ???? you are completely crazy. one of the most beautiful and exciting videos I've ever seen on youtube. fantastic! congratulations for the giant balls!
It results in different arc for steering. It also carries better speed and is more mellow in turning. On some wings, you can't turn the glider with toggles when accelerated, as it'll result in a collapse. As such, Generally you'll steer with risers when accelerated and brakes when on trim.