As a low-back bra, it can be worn with the conventional low-cut backless dresses and tops but you can also convert it to a halter, one-shoulder, strapless, or a criss-cross bra to wear it with the particular outfits
2)Please make sure they are in their original conditions - unworn, unwashed, unaltered, undamaged, clean, free of lint and hair and with tags intact and attached
- Concealed zip at at the side
I think that's what's happening in the dress illusion -- we are trying to allow for perceived lighting conditions in the photo -- so the actual illusion is in our guess as to what those light conditions actually are
The result
Yes, many multiway bras are specifically designed to be worn strapless