C4 Carbon - EasyQ System depth Thanks to the simple assembly

Thanks to the simple assembly system

For direct individual feedback

Use the built-in 3-axis compass for better underwater orientation

No currents

because rubbing can remove the coating

C4 Carbon - EasyQ System depth Thanks to the simple assemblyC4 EasyQ System Frenzel Equalization Tool The C4 EasyQ System is a compact equalization training tool for freedivers who want to practise pressure control on dry land. It is designed for focused Frenzel based equalization training, helping you build awareness of tongue position, soft palate control and pressure generation before taking the skill into the water. This is not a Valsalva trainer. In freediving, the goal is not to build a stronger pushing