Allgemein, Inner Coaching, Nonlinear pedagogy, Tennistraining Talking heads – double drill 20. Juni 2017 Frercks Hartwig Schreibe einen Kommentar A wonderful drill for doubles to improve recovery and arrangement with your double-partner. Implicit and constraints-led. Presented by Marc Philipp Detert at the „Tennisassistenten“-course 2017 at TC Rottweil.