a functional buffer: a small engineering solution to the practical challenges of pre-modern plumbing.
Why Modern Toilets Rarely Include This Feature
While well-intentioned, the shelf design comes with notable drawbacks that led to its gradual phase-out:
Staining and Cleaning Challenges: Waste resting on the ledge can leave residue that’s difficult to scrub away, requiring more frequent or vigorous cleaning.
Incomplete Flushing: If the flush isn’t sufficiently powerful, debris may not fully clear the shelf, potentially leading to lingering odors or partial clogs.
Hygiene Perception: Because items on the shelf aren’t
