Kohler K-28238-GKE Installation Instructions Manual page 15

Install with Anchors (cont.)
Place your thumb between the plastic straps. Wiggle the straps up
and down until they snap off at the wall.
Align the mounting collar with the anchor clips.
Insert the bolt through the mounting collar and tighten until it is
flush with the wall.
Kohler Co. 13 1189046-2-A