Leathercraft Tool

GB wrote:
> [Attachment(s) <#TopText> from GB included below]
>
> Jerome,
> Why did you only address one aspect of my critique of the maul designs
> in question?
>
> Tell me why you would use a striking instrument which is , like Windy
> said, basically trying to hit your stamps with a pipe ?
>
> Now to your description of how a striking instrument is supposed to be
> used...hanging off the end of your arm supported in only one direction
> by your wrist.... just wrong.
>
> A prescription for tunnel carpal syndrome if ever I saw one. That
> also means that all the VIBRATION of the hits... which I was saving
> for my annotated presentation on striking instruments to cover... goes
> right to the wrist .
>
> But for those who want to think about it in the meantime ... you need
> to have something to counter balance the weight doing the work.... a
> place for the vibration to go to be dissipated into the air.... not
> into your elbow or shoulder. This also changes the hold and the motion
> associated with the stamping so as to avoid the ' hammer' hold using a
> side motion of the wrist.
>
> I am attaching a couple of pictures from the Kelly Tool company
> instruction booklet (about 1978 ) which has a pretty good picture of
> how your wrist action should be to minimize effort and injury over
> the long haul. Several other people have had and shown rectangular
> stamping sticks over the years in places like ' The Leather Craftsman'
> magazine .... but Tandy never offered a flat bottomed square handled
> mallet ..... so there was not much way for it to catch on no matter
> how many benefits it has.
>
> I believe the Kelly Tool company became the Midas Tool Company which
> is what The Leather Factory used to compete with Craftool until they
> bought Tandy and Craftool about 2000.
>
> Also , Jerome, you sounded like you were using your maul just as a
> gravity determined impact tool... which would mean you would have to
> change the height from which you dropped it as the only way to vary
> the impact... not only would that be silly.. but VERY SLOW... when
> using a proper striking stick you can work much faster than gravity
> will allow you...
>
> Ok, Windy, here is the type of motion for proper leather stamping.. (
> in the attachments) it allows your entire arm to be held two inches
> lower than with a common hammer type mallet, puts the actual hitting
> surface plane extension on your finger tips , has the ability to have
> weights installed to customize to the crafter's needs, AND has a wide
> and long sweet spot. and has the ability to dampen the constant
> pounding into the air with the other end out in the air... as compared
> to the vibration traveling right through your wrist and up your arm.
>
> It is all physics and ergonomics...
>

That is the way I hold my mallet. That's the way I was taught to hold
it over 50 years ago. I have never used a striking stick... shucks, I'd
never even heard of a striking stick until this thread started.

--
Dale Erwin
Av. Circunvalación CEC-2
Los Girasoles de Huampaní
Lurigancho, Lima 15, PERU
http://www.casaerwin.org

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