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[guidofatherof5]

Those adhesive magnetic strips might work. Should secure it tight enough to keep snake from slipping through and would be easier to keep clean than a velcro strip.

I would have to say No to those. They have a adhesive back.
"There's no way that a snake could get stuck to one of those, right?" Don't count on it. I'd try to come up with something else. Just my opinion.