Solved: What are these!?

[EffieFloud]

Where do they go? Picture?
I believe they are from an after market retractable cover. The type with a rod. I could be wrong.?‍]

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[MachEMaster]

Do you have a pet? They look like the plastic wing nuts that hold my cat carrier together.

They are indeed the wing nuts off my Dog Kennel. Now I have to locate the missing studs! Thanks.