I'll add to Fred's excellent suggestions. The outer cuff will be snug but supple enough to patiently work off exposing the joint. Most vacuum cleaner manufacturers including Hoover used a rubber based cement to secure hoses. Vacuum repairmen used the same stuff, such as BARGE shoe cement or Lepages contact cement when fitting a new hose.
The rubber glue does harden over time. Sometime it has crystallized to dust and that makes removal a snap. I have yanked my fair share of wire coils out of the ferrule with vice grips when all else has failed. I like and highly recommend Fred's idea of using a bench vice, getting a firm grip on the hose and taking a determined sprint across the floor "Running With Hoses" Much easier than pulling the long strong coil out 4" at a time, banging yourself on the forehead when the grips let go...been there - keep doing it. :-(
But before resorting to this hose shortening method, when you have a hose construction like a Hoover or GE where the hose is on the outside of the metal tube I work a thin dull blade, pointless meat skewer or long neck mini screwdriver between the two, working around the hose and digging a little deeper into the glue each time. Then I inject some Contact cement thinner or my constant favorite lighter fluid into the loosened gap, leave it overnight and let Chemistry do its work. The glue will be softened to a gummy mess that will let the hose screw and slide off neatly. That all ya have to do is clean up the residue with more thinner.
That citrus-based stuff sold to remove sales sticker residue from china, etc works too but is awfully slow.
Now, Compact & Electrolux and the like braided hoses - those are a bastard to get off because of the inner and outer tube barrels that capture the hose and the factory crimping on the inside barrel ain't no party, either.
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Dave
