The boot lever of the Boomerang Two-Step Corkscrew locks up straight during insertion. With the sprial of the Boomerang Two-Step Corkscrew fully inserted into the cork, the first step extracts about 7/8" of the cork. Press the boot lever of the Boomerang Two-Step Corkscrew in and the second lever pulls the rest of the cork straight out. The secret is in the "crescent" in the handle of the Boomerang Two-Step Corkscrew that keeps the spring-loaded floating axis in a vertical position. The Boomerang Two-Step Corkscrew has a extendable four wheel "FOILKUT" system foil cutter and a nickel plated spiral.
Best Built-In Foil Cutter of Any Corkscrew Review by Bob S.
The best feature of this corkscrew is the built-in 4-wheel foil cutter. See my review of the dark yellow or purple model for more detailed comments. (Posted on 10/16/2012)