Minecraft wiki entry for Shears, associated text: Shears can also be used to harvest blocks of wool, cobweb, leaves, tall grass, seagrass, ferns (both normal and 2-high), dead bushes, nether sprouts, vines, weeping vines, twisting vines and glow lichen. They can also be used to break tripwire connected to a tripwire hook without activating it.