Circle hook experiment

[Stickleback]

I use the circle hook for a larger piece of bait and and I don’t recall having the hook ever go deeper in the mouth. One thing that happens to often is the hook penetrating the eyeball sometimes when it curls so close to the corner of the mouth. Does this happen often to others? I ran out of little eye patches last year so I went a bit smaller on the hook and it seems happen less but I have not been out enough this year to get a good sampling of its success.
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