24 across
After
embroidering,
sender
wraps
uniform
for
purchaser
(3,4)
After embroidering, sender wraps uniform for purchaser (3,4)
hints
0
checks
0
hints
The definition is at the end of the clue.
How the clue works
Right, so purchaser is what we're defining, that's your end user. The "embroidering" tells you to anagram "sender", giving ENDSER — and that anagram then wraps around U, which is "uniform" in the phonetic alphabet, slotting it inside to give END U SER.