Strap falling off of Alma BB...?! Help!

Jul 12, 2013
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Hi everyone! I recently did a reveal on the alma BB I got in Vegas around Christmas time and after using the bag three times, I realized that the strap keeps coming undone by itself when I use it on my shoulder. I'm not sure why this is happening but it's always the back strap (behind my shoulder) that comes undone.

Is this normal?! Or should I ask for a replacement strap? IMG_1485739234.516868.jpg
 
I've had this happen with the Girolata. It would become disconnected almost every time I'd pick it up by the strap. I couldn't detect any sort of defect with the strap, but it annoyed me so much that I ended up selling it.