<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">ribs</topic></authority><related type="broader"><topic>tools and equipment for clayworking</topic></related><variant type="other"><topic>profiles</topic></variant><variant type="other"><topic>rib</topic></variant> <note xml:lang="en"><![CDATA[ Refers to a type of potter's tool; ribs are curved pieces of wood or bone, characteristically having one flat and one curved edge. Ribs are used for shaping, curving, smoothing, trimming, or opening wet clay; they give the profile of the outside of a plate or pot. One hand presses outwards and upwards on the inside of the worked clay, while outside the rib is used to create a smooth surface. ]]></note></mads>