Rhythmic flow of a sequence of movements A common theme in analyzing foils is getting great drive, and lift but but having a hard time controlling it. The board will skyrocket to the top, plunge to the bottom or somewhere in between. This series of wings will ask you what floor on the elevator do you want to attend - and most importantly - keep you there. A nimble turn that will easily roll over to edge with its elliptical outline and additional width.