Slip shower at the bathtub - experiences? Opinions?

We have exactly the Hansa fitting as well. I think it's stylish - but it wouldn't have been worth 1000 euros to me.

We have now decided on the Secuflex Wannenrand Set from HansGrohe. Around 400 EUR is probably a good deal. Additionally, the matching built-in faucet and a holder for the shower. This way, we don't have to worry about any possible mold forming and can bathe peacefully ...