Anyone know where to find these lid clips?

[smokinreefer]

Originally Posted by Reef Pilot

Easy to make with scraps of lexan. It bends in a vice, like aluminum, without breaking, and holds it shape. I learned this from my plane building.

I use it also for tank tops instead of plexi. Has very good light transmission qualities.

hmmm, do you think lexan is a good option for a tank cover? and where would i get it from in the GVRD? i need to make some tank covers for my 180.
thanks!