Thicknessing questions...

[auscab]

I have a bout six rectangular ones and like to sharpen all at once.
Buying them is easy but making them is quick if you have an angle grinder and a belt sander. Old Diston or Spear and Jackson saws make good ones.
The other day I had a go of one cut from one of those new saws that are disposable the $10 to $20 type with the hardened teeth.I just tried it for a short few scrapes and it seemed fine . I don't know yet if it lasts as long as a good old type but will be cutting some more from it this week to see.
We make the burnishers from old triangle files,they work very well.
And the knack to sharpen , the shavings tell if you get it right.