[ceciltguitar]

Something else to possibly consider:

https://www.acousticguitarforum.com/...d.php?t=548668

And other related threads: (prolly getting to be more than most of us want to read...)

https://www.acousticguitarforum.com/...ight=straplock

https://www.acousticguitarforum.com/...ight=straplock

https://www.acousticguitarforum.com/...ight=straplock

Lotsa folks on this forum seem to like Schaller:

https://www.sweetwater.com/store/det...p-locks-nickel

Tapastring seems popular:

http://www.tapastring.com/strapkeeper0605.htm

Inexpensive possible solution:

https://www.musiciansfriend.com/acce...-blocks-4-pack