Now this is a new one! Well to me at least. I can't see any way that this is factory. This old chrome Ludwig Standard Snare is my next drum up to clean and get singing again and seemed pretty straight forward until I opened it up and saw the lugs attached with this weird as Ikea style nuts attached to the outside of the threading in grooves.
[IMG]http://i75.photobucket.com/albums/i292/skapunk_edge/2015-06-01%2019.42.31_zpsouyhdfa5.jpg[/IMG]
[URL="http://i75.photobucket.com/albums/i292/skapunk_edge/2015-06-01%2019.42.31_zpsouyhdfa5.jpg"]
[IMG]http://i75.photobucket.com/albums/i292/skapunk_edge/2015-06-01%2019.42.54_zpstfopzor0.jpg[/IMG]
[IMG]http://i75.photobucket.com/albums/i292/skapunk_edge/2015-06-01%2019.53.21_zpsgqmivzqn.jpg[/IMG]
[IMG]http://i75.photobucket.com/albums/i292/skapunk_edge/2015-06-01%2019.53.29_zpsx7cm9tal.jpg[/IMG]
[IMG]http://i75.photobucket.com/albums/i292/skapunk_edge/2015-06-01%2019.53.56_zpszs5emo5q.jpg[/IMG]