You should learn them on flat if you havent already. Straight up ollie nosegrabs should help hobbs. I dont just go for big stuff anymore I usually work up to it, get comfortable. before I salflip tailed the hubba I got them dialed on flat ledges and before that you guessed it consistent salflips on flat ground. fingerflips, I never did a full ollie for them though. The less you level out the easier it is to grab the nose. I like to think of everything as an extension. Ok you got nosegrabs now try fingerflips.