breaking loops

[John Delacour]

At 06:51 +0100 31/3/08, Richard Brekne wrote:

>...The hook needs to have a raindrop-shaped cross-section; if it is 
>round then the wire is excessively stressed at the point where the 
>spiral windings begin.  I have used the same home-shaped hook for 
>years...

The pictures below show the shape of the hook:







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