By Andrew Revesz Share Tweet 21 Feb https://vimeo.com/28415572Video can't be loaded: crack teaser (https://vimeo.com/28415572) Cedric Dumont and Jeff Nebelkopf go balls deep into “The Crack” (aka Sputnik crack) in Switzerland. This line has become quite famous due to the popularity of Jeb Corliss’ awesome wingsuit proximity flying video, Grinding The Crack. Comments Recommended Wingsuit Proximity Flying Through”The Crack” Fall(ing) Is Beautiful… Lucid Dreams 2 – Dallas BASE Crew The Crack: Tiger In A Wingsuit The Trench Line: Wingsuit Proximity Flying by Sebastian Alvarez Deep Green Lines Advertisement