Stable hangboard with wedge principle, compatible with standard door frames, for climbing at home.
The YY Vertical SandwichBase brings climbing training home without walls or door frames having to suffer. Its innovative wedge principle provides a firm hold in the frame and ensures stability even during intensive workouts.
Compatible with most standard door frames, you can easily integrate your favorite hanging board. Assembly is a breeze and disassembly is just as easy, so the SandwichBase can be quickly stored or transported.
The YY Vertical SandwichBase combines functionality and elegance for your climbing training at home.