i would say it's not normal but i don't have the attached ends.
but i've seen those ends and i didn't see where the canvas should be able to come out.
those that have the attached ends, should post with some answers soon.
and Zoe the Wonder Dog(R.I.P.)
'07 Roo 23SS pushing an '07 Chevy Avalanche
Equalizer WDH and Prodigy BC