A simple fix to both the Blade and Tiger trap problems is to run the bungee through a turning block on a 5" pigtail tied to the shroud chainplate (instead of the normal fairlead on the blade).

I've attached an example photo from the 2005 Tiger Worlds, and I used this trick at the Tornado Nationals this year to solve our trap-around-shroud problem.

Eliminating the heavy adjusters and using round trap handles also can help.