How to secure a tub?

Sorry if this has already been posted, but I am getting a ball python and wanted to know the best way to secure a tub. I read about using Butterfly Clips, but I don't see how you would put it on the tub. If you could post a picture of how you secure your tub that would be nice! Thanks!

I use binder clips. Is that the same as butterfly clips?

Yes. But I don't get how they would fit on the tub :?

http://i60.tinypic.com/nobolv.jpg

Industrial strength Velcro, making sure you get a bin that clamps shut helps alot as well.

Nice! I might try that!

I use binder clips take and clip the lid to the lip on the tub

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That's how I thought it was done. Thanks for the clarification!

You can also drill a hole through the side of the lid and tub and use screws to secure it.

Clip the lid to the lip.

another obvious solution, if the lid fits well and is sturdy enough: bricks. or books, something appropriately heavy.

or, like in a rack system: a cupboard where the inside height exactly matches the height of box + lid.

clips and clamps are fine.

but i would worry a bit about the velcro, if it ever comes loose its essentially tape, and very sticky.