When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Pete Still / Redferns / Getty Images These days, Mark Knopfler tends to keep his distance ...

Down a London backstreet, an anonymous rider glides unnoticed, slipping discretely past a garage door. The giveaway is the guitar etched into the motorcycle's gas cap. The rider is Mark Knofler, and ...