My name is Simon Curwood and I’m writing you all to inform you about
self closing jump ring that attaches in-store and holds 50000 times
its’ own weight. The product is a leading seller in Findings in
Australia and New Zealand. In 2007 and 2008 this product will be
For more on Link Lock go to our website
www.mccallumgold.com.au.

Thanking you and best wishes,

Simon Curwood,
International Sales Manager,
McCallum Gold, Australia.
www.mccallumgold.com.au

Dear Simon Curwood,

50000 times its own weight. Isn’t it impressive! By the way, do you
know that mosquito when biting through skin develops pressure in
excess of 100,000,000 pounds per square inch. It does not mean that
we should replace our hydraulic presses with mosquitoes, does it ?

If you want to introduce new product, provide the real data
pertinent to the product use and skip the sales talk.

Leonid Surpin

Dear Simon Curwood,

50000 times it’s own weight! Assuming it weighs 2 grams, 50000 x 2
grams =100000 grams. I make that 100 kilograms = 1 metric tonne.
That’s about the weight of a small to medium size car. Do you have
Personally I am not convinced.

Richard Whitehouse

Dear Richard,

Link Lock weighs 0.1 grams in 9ct Yellow Gold. It is only the size
of a 5.5mm jump ring. This can be found on our website
www.mccallumgold.com.au. 50000 x 0.1 grams = 5000 grams = 5 kg’s.
The test we conducted many times found the Link Lock’s to hold 6kg’s
which is actually more than this.

Our product has been tested by engineers across the world and all
have returned very positive feedback to us in the development of this
exciting new product.

If you would like any more on the product feel free to
let me know.

Thanking you and best wishes,

Simon Curwood,
International Sales Manager,
McCallum Gold, Australia.
www.mccallumgold.com.au

``````50000 times it's own weight! Assuming it weighs 2 grams, 50000 x 2
grams =100000 grams. I make that 100 kilograms = 1 metric tonne.
``````

Actually, a metric tonne is 1000 kg.

100 kg is more like 220 lb. That’s not the weight of a small car.
Still, that’s a lot of weight to be held up by a small finding!
Personally, I’m not convinced, either.

Richard Davies

Simon,

I did view your web site, and found all the needed right
there. Thank you for that. I know that a necklace up to 12 ponds
should be secure. Aside from solid silver Native American Squash
Blossom necklaces, rare is the one that is heavier.

Most complaints I hear are with reference to being too much of a
load on a neck. I don’t believe there is a problem there. I do feel
this is an excellent alternative to soldering.

For me personally, it is an easy, and secure way to replace a failed
catch. I will be watching for a local distributor.

Please be aware that not all of us on Orchid leap verbally before we
look.

Sincerely,
Terrie

If a Link Lock can carry 50,000 times it’s own weight, a little
maths produces an answer of around 5kg. That is pretty impressive, it
must be the breaking strain of the round wire part and not the joint!
Has anyone done their own test yet?

If you watch programs like Discovery Channel you will see things
described as so many football fields long, or so many jumbo
jets/motor cars in weight. Using bizarre comparisons to describe
units of measurement is perhaps a perception that the audience is
illiterate or generally uneducated, or simply to add interest to
boring numbers.

Link Locks have been available in Australia for some time. The shop
downstairs uses then at the counter and the salespeople can fit
charms to a bracelet in the time it takes to button a raincoat. The
savings in not having to send the items upstairs for soldering would
equal the petrol saved by driving an electric car for 200 miles.

Link Locks are a great invention and they really work.
Congratulations Simon Curwood for perservering and bringing your
product to the world market.

Regards, Alastair

``````Link Locks are a great invention and they really work.
``````

But don’t they look at bit clunky?

Do you file off the little tab after closing so it won’t open again?

Noel

Hi Noel,

The Link Lock is quite small and delicate. I measure the round wire
at 0.9mm diameter, and the closed link at a nominal 6mm x 4mm (5.7mm
x 4.2mm) overall on the outside. I tested a silver link (locked) by
slipping it on the end of a pair of round nose plies and opening the
pliers till the link broke. Feeling the force needed to break it, I
would say that the link is strong enough for any purpose on items of
similar dimensions to the link. The point of failure was the tip
beyond the notch bending straight and slipping past the tab. 9ct Gold
would be stronger than silver.

Yes the barrel is a visual feature but it looks quite smooth and
finished when the tab is closed, and no filing or any finishing is
needed. I find that the joint is permanent, there is no easy way to
open it once closed.

The girls at the counter say that about one in five links get
scrapped because they fail to get the end into the barrel on the
first attempt; it is easier to get a new link than to re-try the
first, and the link Locks are cheap enough to not worry too much
about that. They agree that they are a bit ‘clunky’, but not enough
to outweigh their convenience.

Cheers, Alastair

Dear Noel,

Link Lock is a professional piece and is very neatly finished. If
you have a look at the photos on our website,
www.mccallumgold.com.au, you will see the “tab” you refer to, which
we call the “flap”, closes to the inside of the “barrel” and slips
into the “notch” which locks the Link Lock securely. Once locked the
“flap” is neatly inside the barrel and no alterations are required.

Link Lock can be locked by almost anyone. We actually conducted
tests in Australia where an entire class of elementary school
children were able to professionally join jewellery together using a
Link Lock within 2 attempts. We have found here in Australia the
public now often request Link Lock. Gone are the days when a several
thousand dollar investment in a gold chain can be wired together in
the form of an un-soldered jump ring.

If anyone wants more on Link Lock I suggest you go to
our website www.mccallumgold.com.au which has all the you
require.

Thanking you and best wishes,

Simon Curwood,
International Sales Manager,
McCallum Gold, Australia.
www.mccallumgold.com.au

Simon,

Your product looks to be an excellent idea. So how much do these
things cost? No where on your website can I easily find a price.
Maybe I am looking wrong, but one of the things that is worse that a
flat warm beer, is a website that is coy with prices. Please direct
me and then tell me how I can buy 20 or 30 of these things to try out

Most interested, Hans Meevis
http://www.meevis.com

``````Link Lock is a professional piece and is very neatly finished. If
you have a look at the photos on our website
``````

I just looked, and now I see how it works-- I had thought it closed
by rotating in some way.

It was not all that easy to find a picture of what the link looks
like closed, and there is only one very small image that I found. I
would suggest that you feature a nice big picture of the closed
nice looking, but how the product looks in use is much more
relevant.

Noel

Dear Noel & Hans,

Thankyou for your input, it is appreciated. Our website was designed
as a resource for our distributors/wholesalers world-wide and had not
targeted manufacturing jewellers or retail jewellery stores and
outlets, so prices were not included. Each of our distributors have
their own pricing structures for the product.

Our website is being updated by our tech. department this weekend to
better cater for your needs, in the mean time you are all welcome to
register your details by going to www.mccallumgold.com.au clicking on
“order system” then “I want to be a customer” and one of our recently
established distributors in your country will contact you regarding