This season&#39;s most unlikely source of inspiration? Geek-chic librarians in pairings like loafers with lurex knitwear, clashing patterns and deliberately gawky tailoring. Encapsulating the jewel-like apex of the look, <b><a href=" http://www.selfridges.com/cat/dune/" style="text-decoration: none"><font color="black">Dune</font></a></b>&#39;s <b>Guilt shoes</b> prove that low heels can be as dazzling as stilettoes. Their soft leather, gold-tone horsebit and polished finish is of a piece with boy-meets-girl ensembles or just simple jeans.