If the distance between two irons is longer, it is easy to pull the zipper up and down, or. If it is to be widely supported, just use pliers to properly clamp it up and down or left and right (when clamping, pay attention to clamping it as slowly as possible, and don't clamp it too tightly at a time to avoid pulling it out), repair it, and then gather the candles on it and pull them up for easy opening.