You could try bending a piece of round rod or tubing to the shape you want, slip the hose over it with a little non-petroleum lubricant (K-Y jelly maybe?), and dip it in boiling water. There's no guarantee it would keep its shape, but it might start out looking like you want.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!