Making pvc clips to secure greenhouse uv plastic

Looking around online shop for clips but it's costly.
So I've tried to make my own pvc clips to secure my greenhouse's uv plastic.
My uv plastic will sit in a 1/2" pvc pipe. The clips will also be 1/2" pvc pipe and will just expand after I heat and formed it on the 1/2" metal pipe.
I've made this DIY to test if it will be worth it, since i'll be making a bigger greenhouse and will be needing more clips. I'll be posting an update if it can't hold strong winds.

If you have some comments or suggestion, please write it in the comment section. I'll be happy to read and hear what's your idea about it.

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