Examples of Tubs
Here are some examples of tubs that have steep sides and short curves into their bottom surface. In these cases the BabyDam didn't seal in the corners.
This tub has steep sides with short curves into bottom surface.
Here is another example of a tub with steep sides that form short curves into the bottom surface, this tub also has some texturing on the bottom - this tub was not compatible with BabyDam.
BabyDam is designed to work in tubs with nice smooth curves into the bottom, like most standard shaped tubs have.