I had a handful of pencils and decided last minute to include a (very plain, no writing on it or anything) black ink bic pen on my desk, and the proctor didn't say a word about it and I used the pen for my flex. Bring one, and worst case they say yo…
Powerscore has digital flex practice tests for $7.50 a piece, they're the most recent 10 tests. I still can't tell if the Flex is a curse or a blessing in terms of admissions but here we go