Wrap up in Sweden's capital, and walk unsteadily (7)
I believe the answer is:
swaddle
'wrap up' is the definition.
(I've seen this before)
'sweden's capital and walk unsteadily' is the wordplay.
I cannot really understand how this works, but
'walk' could be 'waddle' (waddling is a kind of walking) and 'waddle' is found within the answer.
'sweden' could be 's' and 's' is found in the answer.
This accounts for all the letters.
This may be the basis of the clue (or it may be nonsense).
'in' is the link.
Can you help me to learn more?
(Other definitions for swaddle that I've seen before include "Wind bandages round" , "Bind tight with clothes" , "Bandage - wrap (baby) tightly" , "Wrap with bandages" , "Fully cover" .)