Pressure countering tubular section of underwear (9)
I believe the answer is:
pantihose
'underwear' is the definition.
(I've seen this before)
'pressure countering tubular section of' is the wordplay.
I cannot really see how this works, but
'pressure' could be 'p' (abbreviation) and 'p' is located in the answer.
'section' could be 's' (legal abbreviation) and 's' is found within the answer.
'of' could be 'o' and 'o' is found within the answer.
This explanation may well be incorrect...
Can you help me to learn more?
(Other definitions for pantihose that I've seen before include "In teashop (anag.)" , "Tights" , "garments?" , "underwear" .)