That strap is stiff when you get it but once it gets broken in it will attach much more securely

Watch it close at first. It will get loose.

Like the post above said the trick to getting it tight is to loosen the adjustment screw all the way, tighten the strap as tight as.you can by hand and then use the adjustment screw to tighten it securely

I have the v3. I like having the data card. I download to my computer in excel and input all the.pertinent data. That way I can go.back later and see how different loads performed. I am old and CRS disease has set in