In my opinion, the best all round brush on the market is gardiner extreme. The big problem with this as you will all probably know is the annoying risk of scratching sills with the brush stock, even with the white bumper on I still never liked the drag on the sills. I decided to solve the problem myself with nothing good on the market, so just cut off a length of old applicator and glued it to the edge of the bumper. Been using it for a day now and it does the job brilliantly. If anyone at Gardiner wants to work on the idea please do, it hardly adds any weight to the brush so don't have to use heavier sill brushes.
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