My name is Christopher Czellary and at just 17 years old, I had the opportunity to present my own company on Germany's most famous start-up show, Die Höhle der Löwen (Shark Tank).

On the show, I introduced Peak Protect, an innovative mobile phone security device with a retractable steel cable. It securely connects the smartphone to clothing, a bag, or a backpack, protecting it from loss and theft.

But my pitch this time was something very special: I competed in a unique battle between two teen founders against another young start-up. Both of us fought for the chance of an investment. In the end, I was able to convince the Lions of my idea, my product, and my approach.

With my offer of 75,000 Euros for 25 percent of the company shares, I ultimately secured a deal with Ralf Dümmel.

Broadcast: Episode 4 on March 16, 2026

Much has changed since the broadcast: Peak Protect became Easy Protect, and an idea became a product that is already available in retail stores today, including Netto Marken-Discount, Kaufland, and Müller, as well as online on Amazon.

The high demand showed that Easy Protect solves a real everyday problem and can successfully establish itself in the market.

But this is just the beginning. Our next goal is to place Easy Protect in sports stores and other retail chains, thereby protecting even more people from phone loss and theft.