the hook ring is a "storage ring" to hang the sheat/wand on the wall
To take apart the sheath:
Replacing the Electrolux sheath:
[MEDIA=youtube]Q-a4wUqPfbQ[/MEDIA]
and my thread
Electrolux sheath disassembly:
http://www.vacuumland.org/cgi-bin/TD/TD-VIEWTHREAD.cgi?29531_1
