It's funny you said that. When I was taking Kyokushin Karate classes, my sensei once made a comment on my toenails being too long and told me that it can be dangerous.
The only thing that irritates me more than getting hurt because someone thinks they have more control than they do, is when their lack of grooming hurts...ugg!
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Ors, MAE, MT-BC
Memento mori
Vulnerant omnes, ultima necat (They all wound, the last kills)