less slipping inside the foot pocket and more controlled force transfer during finning

It can help with Frenzel practice by giving visual feedback through balloon inflation

Mit dem Druckknopf am Ende kann die Lampe manuell ein- und ausgeschaltet werden

Travel when full-length fins are inconvenient

Das perfekte Tool um die Grundlagen für Frenzel

Druckausgleich - Online Coaching gebraucht less slipping inside the footOnline coaching for all training levels Our training is now available online train comfortably from home. Training on dry land doesn't help? You'll be surprised at the progress you can make with targeted training at home. You have problems with pressure equalization? You can't get past a certain depth? Then it's time to change that! It doesn't matter if your goal is 30m, 50m or 100m together we lay the foundation in our trainings. We adjust the