How It's Made

Season 8 Episode 2: Glass Bottles, Hacksaws, Ice Hockey Goalie Masks

Molten glass is molded and cooled into bottles, hardened steel is cut and toothed into hacksaw blades, and layers of composite material are shaped, reinforced and decorated to make protective ice hockey goalie masks.

Genre:

Documentary

Seasons:

32

Episodes:

416

Cast:

Lynne Adams

Quality:

HD

Duration:

21 min

First Air:

2001

Rating:

7.7