How Do They Do It?

How Do They Do It?

Harp Strings; Roof Windows; Belgian Waffles (12x8)


Air date: Jul 03, 2015

Making the world's finest harp strings; Building roof windows that can keep out a hurricane; Making Belgian waffles.

  • Premiered: May 2006
  • Episodes: 324
  • Followers: 27
  • Ended
  • Discovery
  • Thursday at 22