I was once told to just take that old stiff hose out to a pond, through it in, and leave it for there for 3-4 months and it would soften up. Don't know if this works, never tried it, but, what else do you have to do this winter.
Seriously, I was told this works.
Jack Sim
Author, Gas Pump Identification book, Air Meter Identification book
www.crspub.com