I get positive comments, or nice acknowledgements from the bell also, even though I sometimes feel dorky using it. Nice to hear, "I like your bell..."
And I always try to say, "thank you" as I get get past. Courtesy counts for everything.
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FB4K - Every October we wrench on donated bikes. Every December, a few thousand kids get bikes for Christmas. For many, it is their first bike, ever. Every bike, new and used, was donated, built, cleaned and repaired. Check us out on FaceBook: FB4K.
Disclaimer: 99% of what I know about cycling I learned on BF. That would make, ummm, 1% experience. And a lot of posts.