In cold weather survival, you want to get warm as fast as possible. Insulation is from the the cold ground is key when readying a shelter. #DualSurvival Wednesdays 9/8c on Discovery dsc.discovery.com/tv-shows/dual-survival Subscribe to Discovery: www.youtube.com/subscription_center?add_user=discoverynetworks Watch full episodes of Dual Survival: www.hulu.com/dual-survival bit.ly/DualSurvivalFullEps Join us on Facebook: www.facebook.com/DualSurvival www.facebook.com/Discovery Follow on Twitter: twitter.com/Discovery

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