The most common and most likely answer to this crossword clue is the 4 letter word RIEM
R
I
E
M
Buddy explains!
The straight part
We know that "Strip" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case strip = riem.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does RIEM mean?
RIEM noun- A strip of oxhide, deprived of hair and made pliable, used for twisting into ropes, etc.