Funny story - I didn't even know there were sticky wild reels in the bonus
Played it a few times before and , never managed to land a bonus but hit a really epic base game hit with 4 wild reels, on the ends, and a row of big symbols in the middle, for more than 1000x bet, so was already up on the game.
I tried to go into the replay function to show you, so loaded up Casino Friday, and figured i'd drop in a tenner to try and get that bonus!
Couldn't find said replay, but while i was typing this the bonus dropped in and this happened: