The TDBU shade allows simultaneous raising and lowering from the top and bottom of the shade. If you have not seen this before, it will create a big Wow effect for your guests, creating a truly beautiful custom window treatments look. Do you want to create privacy but still enjoy some light during the day? Try opening the shade just a bit from the top. Want even more light? Try also opening it from the middle, and create a floating shade effect. Adjust each shade to find the perfect ambiance and create the right level of privacy for your home.