DC Ron: Here are three Youtube links that demonstrate the three-beat ending that was ubiquitous in country music of the 1960s and 1970s. In those endings neither the drummer, the bass player, nor any other member of the band ever did anything fancier than was done throughout the entire song but merely let the last beat decay normally.

https://www.youtube.com/watch?v=UGYE77y4qY4

https://www.youtube.com/watch?v=6p13q8T-7yY

https://www.youtube.com/watch?v=Z25idl85H58