For someone totally handicapped with allergies, like moi, what could be more satisfying than pumping warm water through one's clogged sinus pipes?
This how the scene should play out, with the exception of the cheezy background music, unless of course ya need the crutch...
But, around these parts, the post teeth brushing morning ritual is more often than not a "tandem" event with le commandant overseeing the activity and generally getting under foot/nasal stream.
And, here's a smidge more realistic version of what you should expect during your inaugural attempt. It may be messy...wierd...scene making...and a little like someone making you laugh right in the middle of swallowing a drink and having it come out your nose. But, trust me, the relief will have you coming back for more.
*Add cat sidekick at own discretion*
PS...I, true to form, had to get the Cadillac of all porcelain Netti Pots. But, my recommendation for all would be for a more pedestrian plastic version that can travel easily and not be knocked over and broken by certain acrobatically challenged pusses.