![Amazon.com: Behind the Mask: A Revealing Look at Twelve of the Greatest Goalies in Hockey History: 9781771649636: Druzin, Randi: Books Amazon.com: Behind the Mask: A Revealing Look at Twelve of the Greatest Goalies in Hockey History: 9781771649636: Druzin, Randi: Books](https://m.media-amazon.com/images/I/81vMsZNtHeL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Behind the Mask: A Revealing Look at Twelve of the Greatest Goalies in Hockey History: 9781771649636: Druzin, Randi: Books
![Jen a Twitteren: "Vladislav Tretiak introduced the helmet-cage mask hybrid to North America during the 1972 Summit Series. https://t.co/DzigT5aHHD" / Twitter Jen a Twitteren: "Vladislav Tretiak introduced the helmet-cage mask hybrid to North America during the 1972 Summit Series. https://t.co/DzigT5aHHD" / Twitter](https://pbs.twimg.com/media/CS0cxYgWEAAThHq.jpg)
Jen a Twitteren: "Vladislav Tretiak introduced the helmet-cage mask hybrid to North America during the 1972 Summit Series. https://t.co/DzigT5aHHD" / Twitter
![Amazon.com: 2001-02 Between the Pipes #133 Vladislav Tretiak NM-MT Official ITG In the Game NHL Hockey Card : Collectibles & Fine Art Amazon.com: 2001-02 Between the Pipes #133 Vladislav Tretiak NM-MT Official ITG In the Game NHL Hockey Card : Collectibles & Fine Art](https://m.media-amazon.com/images/I/614yWr0nLrL._UF1000,1000_QL80_.jpg)