f840b160_ting_Guide___Full_Recipes_List__Ingredients
[Name] Tripwire Hook [Description] Used to create a tripwire that activates a redstone signal. You can hang a string across a pair of hooks, and the tripwire will be activated when someone runs across it. [Ingredients] 
Iron Ingot + Stick + Wood Plank
Minecraft Crafting Guide | Full Recipes List
Ingredients