Carefully and gently take a used razor along the surface, as if you were shaving your legs, and the bobbles will come away immediately.
Then put some sticky tape over the bits and hey presto a smooth surface again!
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And did you know that Aggie Mackenzie is a qualified Yoga Teacher? Join her now for “Aggie’s Yoga!” And would you like a personalised video message for you or a loved one? Just go to https://www.thrillz.co.uk/talent/aggie.mackenzie and Aggie will record one for you.
Or check out Diana Moran’s fitness website at www.keepfitandcarryon.com