I had been hanging out in KC for a while, trying to convince groups to let me join, and then trying to get them to move/pull beyond entrance and LCY/RCY so I could get this piece. Often monks or bards will be in KC to camp the warlord/bodyguard/pawduster room for their epic drops, and I finally grouped with a couple to get this. Pawduster spawned twice in a row for us, so the monk got his pipe and a pally got another pipe to MQ. Not until both 'dusters spawned did a warlord pop for me, and then I got my armband, and I think the pally got the werewolf skull for mq'ing for a bard.
This camp can easily be done by one healer, one melee and one enchanter (high 40's - low 50's) but can also be duo-ed by one healer and one good monk puller or maybe a beastlord (mid 50's) or a good pally instead of a healer if both are mid-high 50's. A full group of low 40's should be able to handle hands/wl room too, as long as you have crowd control available.
Be careful with the adds, have root ready and kill them dogs!!