GG's


The "upper ferrule" is properly called a "Schlagring" - I believe the late Jim
Thompson, who signed himself as "The Old Millrat," introduced this term to the
Porch. It's of German origin.


Jim used to turn them on a metal-cutting lathe out of pipe.


And, yes, they are of greatest use on a heavy-duty chisel.  They are frequently
seen on Japanese-style framing chisels.


After a period of use, the wood fibers get smashed over the edge of the
schlagring and further beatings sort of trim the edge.  IMHE, the chisel is
acceptably easy on the hand after top gets smoothed out by use.


John

________________________________
From: OldTools  on behalf of John M Johnston (jmjhnstn)

Sent: Tuesday, November 14, 2017 11:06:24 AM
To: curt seeliger
Cc: oldtools@s...
Subject: Re: [OldTools] Protuberance on chisel (upper ferrule)

I would also add that Lonnie Bird (look him up) also does so. It's all about
making the tool more useful.

Cheers,
John

“P.S. If you do not receive this, of course it must have been miscarried;
therefore I beg you to write and let me know.” - Sir Boyle Roche, M.P.

On Nov 14, 2017, at 10:51 AM, curt seeliger mailto:seeligerc@g...">mailto:seeligerc@g...>> wrote:
Snip
Frank Klaus (go look him up) also suggests doing so. You won't wreck them,
you'll just make them comfortable and improve the ergonomics for whacking
them.
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