Designed to reduce the angle of right wing during the motorflight forcing model to climb in narrow circles. After rubber weakens wingwiggler returns wing into normal gliding position and radius of the circles increases. Wingwiggler mounts on two bolts to the inner side of pylon with both position adjustment through the top of pylon. It can be easily installed into W Hobby pylon or any other as is very small (13mm high and 6mm thick).