USA Today just debuted the full HangTime POV video: https://www.usatoday.com/story/travel/experience/america/theme-parks/2017/11/21/hangtime-coaster-knotts-berry-farm-2018/882378001/
A Gerstlauer Infinity Coaster or Euro-Fighter would be an awesome addition to the Boardwalk. Imagine something along the lines of Mystery Mine from Dollywood or the Monster at Adventureland.