found these twist ties at the home center and have been using them instead of velcro straps. they are much easier and faster, and they haven't failed yet. they come in several sizes.
(http://i1130.photobucket.com/albums/m533/aubelecarl/filmcanister026_zpsf94bb58d.jpg)
(http://i1130.photobucket.com/albums/m533/aubelecarl/filmcanister025_zps96b44c2e.jpg)
carl
Carl.......
I use the same thing!
(http://i1011.photobucket.com/albums/af237/billybbingham/Brents/DSCN0552.jpg) (http://s1011.photobucket.com/user/billybbingham/media/Brents/DSCN0552.jpg.html)
.....Crazy!