Socks ...

'Socks are Dobby's favourite, favourite clothes, sir!' he said, ripping off his odd ones and pulling on Uncle Vernon's. 'I has seven now, sir .... But sir ...' he said, his eyes widening, having pulled both socks up to their highest extent, so that they reached to the bottom of his shorts, 'they has made a mistake in the shop, Harry Potter, they is giving you two the same!'

- Dobby [to Harry] (Chapter 23, The Yule Ball, Harry Potter and the Goblet of Fire, 2000)