It does work, the idea being the rope is soft enough to put pressure on the valve without damaging it. The key is lubrication. Use a good penetrating oil. I don't use WD-40 for jack, it's not that good, there is much better stuff available if you just open your wallet a little further.
Edit for spelling and grammar.
Last edited by Bears63; 07/02/2011 4:24 AM.
