On 2017-11-25 2:05 PM, scott grandstaff wrote:
> Its just a blunt "chisel" that I made from roadsign aluminum.
> Rub it over the teeth a little, and they cut their own rake teeth, 
> cleaning a file perfectly to the bottoms of the gullets 

A bit of copper tubing works well too. Squash an end in a vise, and use 
as above. Squash both ends , and you can make rakes of different pitch.

Don

-- 
"You can tell a man that boozes by the company he chooses"
The Famous Pig Song, Clarke Van Ness