I am not 100% sure what your specifically looking for.
Is this it? https://books.google.com.au/books?id=leVomBC0QIsC&pg=PA78&lpg=PA78&dq=mitering+leather&source=bl&ots=kml7Hb4AlT&sig=9yg5_rJwCTRtgss-ufScjwMddY4&hl=en&sa=X&ved=0ahUKEwjCn7mwy_PMAhXDGpQKHdJwB4wQ6AEIZzAP#v=onepage&q=mitering%20leather&f=false
A servo motor will replace your current clutch motor and slow it down to a crawl.
It makes it a lot more manageable for me.
I see your in Tassie?
I think a member here Darren Paul Brosowski should be able to help you out or visit https://www.facebook.com/groups/aussieleathercrafters/ and ask over there
If it is too fast for you I recommend buying a servo motor for it.
That is what I did with mine and it makes a world of difference
Singer 132K Manual.pdf
I assume it is a PDF file
Open up the file
Click on "Print"
Paper Scaling > Scaling type
In the drop down box select "Tile All Pages"
Tick the Box "Show Cut Marks On Sheets"
Print
You should have it printed out on several A4 pages that you have to tape together and then cut out your pattern or whatever you want to do with it.
Hope this helps
Forget the gum trag and try candle wax (paraffin wax),
Dye the edge or use a black marker pen like I do
Lightly rub the candle along the edge
Burnish with your burnisher
Reapply if needed
See how that goes, practice on some scrap
In my opinion, backgrounding that work would:
1. Add to the design
2. Make it easier to sell
3. Make the price a bit higher.
4. Add to your work experience
It is similar (but not as good) to the "Mini 5" stamps out of Asia somewhere. About $150 for the 3 stamps needed
https://www.facebook.com/pages/MINI5-Leather-Craft-Life/1561037437442854
I remember reading somewhere that Peter Main also adds a strip of filament tape between the layers for strength on his belts, or maybe it was to stop wrinkling. Either way it can't hurt
A good start.
A few things I would look at in a contructive way.
I would look at splitting the holsters into categories and putting them in the top menu instead of just scrolling down the page.
Don't write text in all caps
Use a smaller font size for the text.
Put descriptive text in the "alt" tags for your photos. eg this is your code now img src="/uploads/3/2/2/2/32225077/1532916_orig.jpg" alt="Picture" style="width:100%;max-width:1066px"/> alt="Picture" is the part that Google reads. You can change it to something like alt="Sig Sauer Tacops Nightmare"
As mentioned above resize your actual images, don't do it with the code. Resizing with the code leaves the image files the original size causing slow loading times.
But it is a good beginning and you have a good basis to work with.