Cheers guys, just woke up and aches not so bad.
Yea, I've seen the options/methods used in the other posts but my thoughts were to do it over a longer time period, many months and see if I can pull a bit of slack every few days.
However, Colins reply has made me rethink and I need to find a better anchor point. .... I'll look into it when a bit better....I'm so BORED, all this lying about and mollycoddling