In lieu of a metal boltsnap, I use a plastic quick release clip like this.
Second Stage Clip-2 by Jim Forte, on Flickr
Second Stage Clip-3 by Jim Forte, on Flickr
Second Stage Clip-1 by Jim Forte, on Flickr
Second Stage Clip-2 by Jim Forte, on Flickr
Second Stage Clip-3 by Jim Forte, on Flickr
Second Stage Clip-1 by Jim Forte, on Flickr