Zippers work better if you rub candle wax on them.
The worldwide, 24-hour a day rate of zipper production is 28 miles per hour (45 kph).

Ways To Do Things Easier, Faster or Better, & Ecclectic Info
Zippers work better if you rub candle wax on them.
The worldwide, 24-hour a day rate of zipper production is 28 miles per hour (45 kph).