What does the ‘x’ in recording sessions slate names mean?

December 30, 2014July 31, 2025byMiscellaneous

bollemanneke

12-30-2014, 10:06 PM

Could anyone tell me what the ‘x’ means in titles like:
5m1x Troll in the Dungeons
10m1X Fawkes the Phoenix
10m3X The Chamber of Secrets
10m4X Dobby the House Elf

Would be very interested to kno that.