Then spent a few hours filing one of the keys down leaving a notch along most of its length and removing most of its teeth leaving a small stump to turn the curtain. I used piano wire bent in an L shape to make the second part before realising it didn't work nad it needed to be bent to the right before being bent up so reach over part of the curtain. I'm going to search through shops on Monday searching for something to use as a handle on the wire, its a little awkard at times, I put a bend in the wire at about 60 degress which helps alot but something a little bigger would help some more.
I used to think it was unfair films came out first in America now I don't care, We have lever locks to play with they don't

Quicklocks, if your ever in Belfast I'm buying you a pint of guiness.