Windsocks. Swivels. These Swivels can be used to attach windsocks or kite tails to telescopic flag poles or lines.
lifes a breeze tip for flying a kite from a telescopic flag pole,take 6 feet of kite line and tie each end to a swivel, one swivel to the eyelet on the pole, the other swivel goes through the kite string hoop.
Size 3.0 pack of four. NB they may need a little oil ocassionally to help them spin.