Other mistake: Raylan fires two shots into the above-ground pool, but it springs three leaks. Looking closely it does appear that Timothy Olyphant squeezed the trigger three times, but one blank must have misfired, and the three squibs went off regardless.
Other mistake: Ava previously borrowed a razor from another inmate to tidy up her unevenly-hacked hair. All well and good, except especially when seen from behind her hair has been perfectly bobbed and tapered, hardly possible doing it herself in a prison bathroom with a razor.
