I see a new variant of the "MK IV yaw string" is required! From the DG
newsletter:

http://www.dg-flugzeugbau.de/seitenfaden-e.html

The safety aware glider pilot will have one on the left and right,
effectively tripling the sales of the MK IV.

--
Eric Greenwell - Washington State, USA
* Change "netto" to "net" to email me directly