The world's largest zipper zipped the artificial turf together in the Houston Astrodome.
The turf came in strips 200 feet long & 14 feet wide, bristling with blades 3/8 of an inch high.
Each strip was backed with a thin layer of vinyl foam and weighed about 3,000 pounds.
The strips were cut to size and held together with zippers.
As Milner said, "It was the longest infield fly in the world."http://www.astroturf.com/history.htm
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