Dave wrote:
Wife gave her mom a couple of small "baskets" for her shower which
are held in place with suction cups. Problem is, they slowly slide
down until they run over a seam in the tile, and then let go. Am
thinking of applying a light spritz of lacquer to the individual
tilles in question(and letting it dry) in order to give the suction
cups more friction, hoping to stop the sliding action. Any other
ideas are welcome, and sought. Anyone else had this problem?


Recent posts have attested to the efficacy of "glass drills" from Harbor
Freight. So...

You might try drilling a hole or two in the tile and securing the wall-items
in a more traditional manner, i.e., screws or anchors.