: Use Right-Click and drag in a direction to make your trooper look that way while moving. This is vital for "slicing the pie" (clearing a room inch-by-inch from the outside).
1. Equip it on one of your squaddies. 2. Position the camera equipped squaddie near a door where the door kicking icon is visible. Steam Community Guide :: Door Kicking 101 - Steam Community
: Use these to break long sightlines or provide cover in large, open areas. 3. Squad Composition & Gear Guide :: Door Kickers 2 - Door Kicking For Dummies
: Hold Ctrl while drawing a vision arrow to make the trooper keep looking in that direction until a new command is given.