Finally there is the Airboard relate with strap! We have the Airboard for many years in use, and lived so far with the solution without tension band, which resulted in the shifting of the cover again. The current tension band is good and keeps the reference there where he belongs. However, what is to be regarded as very inferior, is the small loop at the bottom of the connecting band. Even on first use tore the thin ribbon! The cover keeps still, but is not well in the spirit of the inventor ...
