Wire frame shampoo holders - you know those awful things - they hang over the shower nozzle neck made of wire. Add a full bottle of shampoo or anything else and the idiot thing tilts one way or the other, letting the soap slide off.
Those things are best suited to a bachelor pad. We are saying "no" to the cheesy wire frame shampoo holder.
Here we see the recessed shampoo holders that will eventually be covered in mortar and tile. They will cause a cubby space in the wall to accept whatever various shampoo bottles, conditioners, and other bath products.
There are his and hers cubby spaces here. I recon me the husband will wind up with about 1/2 of one cubby