Any tips for sub-1 on 4x4?

[NebraskanSpeedsolver]

Sorry for the second thread.

I currently average about 1:15 on 4x4 with Yau, any tips for how to make my average sub-1?

 

[NebraskanSpeedsolver]

I now average sub-1:05, but I still can't seem to drop the average to sub-1, any tips?