### Clue: Strip: riotous conduct with removal of article (4)
### Answer: RAND 
 ### Explanation: Definition: Strip
RAND[AN]. RAND is "a strip, esp. of flesh or of leather" from the Dutch for "border, which also, via the Witwatersrand goldfield, also gives the name of the South African currency. "Randan" is – as the clue says – "riotous conduct". I originally guessed RANK for this, thinking that in its sense of a line it could be a strip, but (of course) couldn't justify the wordplay.