How Do They Do It? S12E8 — Harp Strings, Roof Windows, Belgian Waffles
6.8

Harp Strings, Roof Windows, Belgian Waffles

6.8/10 · 11 votesJul 3, 201522 min

Ranked #17 of 20 in Season 12•−0.3 vs season avg

Discussion

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