Overview
- Ralf Dümmel invested €80,000 for a 20% stake on Die Höhle der Löwen, and a spokesperson said the agreement was completed after the broadcast.
- Physiotherapist Daniel Kappacher pitched an assembled, foam‑padded stick intended for seated rotational moves that engage deep spinal muscles.
- On the show, investors tried the device and reacted positively, which helped secure the deal.
- Business Insider reports about 400 units sold in six weeks, a retail price of €35–€39.90, and roughly €3.50 in production cost per stick.
- Stern’s hands-on trial found a three‑minute routine produced noticeable relaxation and deemed the device a complement to strength training, with no independent clinical evidence presented.