Videos Welcome to Texas Adventure and Survival Schools video page. Land Navigation Series Episode One: Route Cards Product Reviews Product Review:Holtzman’s Bloodline Survival Knife Product Review:TT Raid Pack MKIII Product Review:Snugpak Tropical Hammock Product Review:TT IFAK VL L Product Review:TT Headrest IFAK Product Review:TT Modular Pack 30 Product Review:TT TAC Pouch 11 Product Review:TT Modular Pistol Bag Tips and Educational Videos Being Prepared:Suggested items for a day hike.