That's an interesting thought. I've always noticed how quickly lint collects on the upward side of a blade, when stropped on my jeans or other fabric. Never would've considered using that to advantage to 'de-lint' a lint brush. :thumbup:
(Knowing me, I'd de-lint the brush with the blade, then de-lint the blade by wiping on my jeans. Then, I'd de-lint my jeans with the lint brush... )
David