Hello there!
On thing that you would want to want to NOT do is to carry pneumatic tools by the air hose. It was never highly recommended just for safety reason, and also for things to take more care of the hose of course.
A.
Air Hose
B.
Hose clamps
C.
Retainers
D.
Safety clips
The (first option) would be your correct answer.
I hope this helps you!