Avoid if possible any confrontation with an opponent who has a knife; no matter how good you think you are, you can and will be cut. There are ways to minimize the damage to yourself if you are confronted with a knife welding opponent and you have no weapon. First, try and get some distance between you and the opponent so they have to lunge to get to you, and look for a weapon or blocking tool of any kind to defend yourself. It could be a jacket, belt, seat cushion, chair, table, lamp, stick, dirt,