The SANDWICHBASE from YY Vertical is a clever base allowing you to install a traction training board without drilling through walls.
Its job wood veneer and steel system exploits the arching effect: once secured in your doorframe, the board is stable and secure, even for dynamic pulls. Compact and easy to install, it's ideal for flats, flatshares, rentals and small spaces as it's adjustableand ranges flatso offers a small footprint.
Last but not least, this base is alsocompatible with other training boards and bindings.