Churning was an arduous task performed with a butter churn. She blows the eyelight of children out, and pounds children in her iron butter churn. A cyclist trains on a wheel connected to a butter churn on his dairy farm. Also, a vessel that was probably used as a butter churn was found on site. One particularly novel invention of note was the rocking chair butter churn. Using an old butter churn, they made cream and butter by hand. In the 1870s, he patented an improved butter churn. Traditional tools included the butter churn and Scotch hands. It received its "butter churn" shape, built in stages, about 1500. A butter churn is a device used to convert cream into butter.