Modern software can smooth out the jagged lines found in old analog signals.
The search for "legsonshow Linda Bareham video extra quality" typically refers to archival fashion photography and vintage modeling content from the 1990s and early 2000s. Linda Bareham was a prominent figure in the "Legs on Show" catalog and video series, which focused on hosiery, high-fashion footwear, and classic glamour aesthetics.
Finding "extra quality" versions of these videos can be a challenge. The original content was filmed on analog tape (VHS or Betacam). When these are poorly encoded for the web, they suffer from "interlacing" artifacts and low resolution.