Chevron, Handlebar or Walrus? There are at least 30 different types of styles for the hair under your nose. And since moustaches have been making a comeback for some time now, here are some tips on how to keep them in shape – which requires a steady hand. Getting the contour and volume right is key, says German barber Dirk Schlobach. Whether you favour a more subtle Pencil moustache or a classic Chevron á la Tom Selleck, you’ll need a combination of scissors and razor to perfect it. “You also shave the shape of the moustache and therefore you have to work very accurately,” says Schlobach, addi…