What is Reef knot?
[[File:Platteknoop.svg|thumb|200px|A reef knot]] The '''reef knot''' (or '''square knot''') is a [[knot]]. It is often used to tie two [[rope]]s together. It is used to “reef” sails on [[sailboat]]s. That is, reduce the sail area when the wind gets stronger.<ref>{{cite book |last1=Iggulden |first1=Hal |last2=Iggulden |first2=Conn |title=The Dangerous Book for Boys |date=2007 |publisher=HarperCollins |location=New York |isbn=978-0061243585 |page=9 |chapter=The Five Knots Every Boy Should Know}}</ref> ==Related pages== * [[List of knots]] ==Sources== {{reflist}} [[Category:Binding knots]] [[Category:Joining knots]] {{stub}}