A side bow on a black dress creates a clearly bounded accent here. It sits beside the broader dark waist area. Above, pale gaps remain between black motifs around neck and arms; below, the long skirt opens at the front. The contained side shape and longer open line create different directions. Decide which should take priority in your own outfit rather than assuming both must receive equal emphasis.
At a comparable fitting, relax your hands first. Check the space between arm and bow edge from the front and diagonally. Include your actual bag next. If you want it on the same side, test whether the bow remains visible and comfortable beside it. Another hand position can introduce a new line and deserves deliberate comparison.
Ask about the actual attachment if you want a smaller or differently placed accent. The picture cannot confirm removability. Walk a few steps and sit to assess the front opening separately. The patterned upper areas need no assumed fibre name for you to compare their effect with the quieter black skirt.