I tried a new experiment which I quite like.
First used a few coats of Danish Oil.
Smoothed down with 0000 steel wool.
Then applied this liquid wax:
http://www.diytools.co.uk/liberon-liquid-wax-polish-black-bison-clear-500ml.html
http://www.liberon.co.uk/wax-finishes/gallery_files/site/2136/7731/7746/7798/16503.pdf
Gives a very slippery and smooth finish; and a very distinctive smell; which you'll either love or hate.