Door Latch | The Ultimate "Open-Air" UpgradeOpen Your Window AND Your Door at the Same Time Tired of your caravan door hitting your window box or awning? Most standard latches pull the door too close to the van, forcing you to choose between fresh air through the window or keeping the door open. The RSG Extendable Door Latch is the Australian made "hack" that solves this forever. By extending the distance between your door and the van wall, this latch gives you the clearance you need to keep