Here's a low-tech tip I learned from Bob Letson in 1983 at the group measurement of the 1984 Olympic Marathon course.
I like to keep grease off my pants cuffs, and bicycle clips do the job. I saw Bob using rubber bands, and I have been using them ever since.
The ones I use I got from Staples. They are #84 rubber bands, 3 1/2" x 1/2".
They work fine.
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