The bit with the hook on it. Usually about 10" wide with a hook in the middle.
Here is a basic one that is traditionally used
http://www.murrays.com/mm…_Code=C-TR&Store_Code=MS
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Dave Bonin
1981 Nacra 5.2 "Lucile"
1986 Nacra 5.7 "Belle"
Winnipeg, Manitoba, Canada
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