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Vlippy Confirms Dümmel Deal, Rolls Out to Retail After Independent Test

The founders say the investment closed after filming, accelerating production for a rapid retail launch.

Overview

  • Business Insider reports the deal with investor Ralf Dümmel was finalized weeks after taping, with his team supporting marketing and sales.
  • Vlippy is a compact door-and-window stopper using a 90-degree rotation and a flexible TPU finger, mounted primarily with adhesive or optional countersunk screws.
  • Stern’s hands-on test kept a balcony door from slamming in a cross-breeze and noted the device is designed to slip under stronger wind to prevent damage.
  • Installation requires careful surface cleaning; the adhesive holds very firmly and is hard to reposition, so misplacement means replacing the tape.
  • The product is available via the founders’ site and at Netto for €9.99, and Stern cites a two-piece set with replacement adhesive at about €15.