Sanjeev Kohli has bought a new outfit but the trousers and jacket don't fit. He visits Elle Wilson, a seamstress, for alterations and finds that measurements are vital to the process. He then commissions a hat to be made by a milliner, Pea Cooper. This involves measurement and working out the circumference of a circle. The milliner calculates the time she needs to make the hat as this will affect the price she charges.