What's weird about folding the catheter tube and securing it with a handy binder clip from Staples?
I would have used a handy vise-grip or C-clamp, myself--much more adjustable and powerful.
***
Speaking of shouting, I'm ridiculously hoarse and complaining about it.
It's not due to shouting, but probably just the very dry air inside the facility.
The staff doesn't get hoarse because they get half the day outside after their 12-hour shifts, and then get two days off every week out in a normal environment.
I only get out a little bit in my electric wheelchair, but it's enough to see the wildlife snarfing up dandelions: