yes, the tow point is set (currently) at 33" from the nose on a 44" bridal line... the tow point needs to be movable to adjust for different wind conditions... that black ring is the tow point.. looks like its larksheaded already..
I think the factory bridal is set at 44" and two 22" lines but having the ability to adjust the long line right to left on the line between wheels may help with some adjustments (you need to ask around over at Kitebuilder.com for more details than that, see you there