I wouldn't use a hammer,the best way to try and "tweak" them would be to slip a pipe over the top thats snug and give it a bend. But I say "tweak" because it really should be minor. If they seal I wouldn't worry about it.
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PRIMARY - Irish Red
PRIMARY - Apple Bee Cider
PRIMARY - Dunkelweizen
PRIMARY - Orange Blossom Mead
"A man is but the product of his thoughts. What he thinks, he becomes." -- Mahatma Gandhi
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