Ruler work on Singer Featherweight 221k
ARVE Error: src mismatch
url: https://www.youtube.com/watch?v=_-7whmaVal4
src in: https://www.youtube-nocookie.com/embed/_-7whmaVal4?wmode=transparent&rel=0&feature=oembed
src gen: https://www.youtube-nocookie.com/embed/_-7whmaVal4Actual comparison
url: https://www.youtube.com/watch?v=_-7whmaVal4
src in: https://www.youtube-nocookie.com/embed/_-7whmaVal4?wmode=transparent&rel=0
src gen: https://www.youtube-nocookie.com/embed/_-7whmaVal4