This morning I've just introduced some paint into a few small (1 to 2mm) chips in the car's paintwork and a small chip on a freezer door.
For the first time I used
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I sprayed the paint on a bit of plastic, dipped the 'brush' into it and dabbed the paint into the chips. These brushes work extremely well for this type of application .
Available from many ebay sellers in packs of 100 for around £3.50.
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(no connection with any ebay seller except as a paying customer)