My case is pretty similar, but I caved and signed. For me, I wasn't fired, I quit, but I had to sign the same clause, except it was to receive my final paycheck

My case is pretty similar, but I caved and signed. For me, I wasn't fired, I quit, but I had to sign the same clause, except it was to receive my final paycheck. Oh yeah, my vacation days/pay were also stripped from me, even though I had already requested days off months before I had told them I would be leaving.