I'm sure I'm missing something and I've seen plenty of sockets over the last 50 years that I've not had this, that seem to function just fine.
What is the purpose of these notches - other than to make it impossible to attach 50% of the time?

Thanks
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What is the purpose of these notches - other than to make it impossible to attach 50% of the time?

Thanks
Sent from my iPhone using The Garage Journal mobile app
