Toivo:
This current adjustable handle draw knife is adjustable by loosening the handles from the bar and rotating. This will allow you to adjust the angle of the blade to the handles.

Here is a link to a picture of it, if it posts:

http://www.forestryforum.com/gallery/displayimage.php?album=283&pos=23

Hope that helps....

Jim Rogers

Whatever you do, have fun doing it!