A tip to remember:
When White is trying to create 2 eyes 
Black should play in the nose! 
Cheers,
Dr Bèco
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You will also find people calling these type of moves as playing on the “vital point”.
See also: https://senseis.xmp.net/?EyeShape
The word “nose” is also used in a couple other go phrases:
https://senseis.xmp.net/?NoseTesuji
https://senseis.xmp.net/?NosePoint
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This is a great visualisation! Nice job!
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Currently I’m trying to remember to consider the nose tesuji in certain side press positions, instead of extending again.
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But we don’t need need a visualisation of “vital point” thank you… 
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Well, one can use whatever mnemonic helps them best remember.
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