Leave Bob and his plait in peace. I usd to have one just like it - 'cept darker in colour, but had it surgically removed when I changed offices years ago - now sport ever so functional if slightly thuggish looking No 1 cut.
And for your information, headlice don't give a fig if your hair is clean or dirty !

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Rat

British by birth
Scottish by the Grace of God

Blog updated Wednesday November 13th