Way back in August

On 2014-08-06 9:22 AM, Michael Blair wrote:
> As some might remember, I'm
> researching Russian cooper's tools for the new room plan for the 
> cooper's shop there.
> Trying to find more than I have up till now, I checked up Russian 
> woodworking.  This
> is what I found -- Russian carpenters using largely traditional tools 
> to restore
> and/or reproduce old Russian structures.  St. Roy would fall in love 
> with these.
>
> http://kizhi.karelia.ru/crafts/en/izgotovlenie-
plah">http://kizhi.karelia.ru/crafts/en/izgotovlenie-plah
> http://kizhi.karelia.ru/crafts/en/izgotovlenie-
tyosa">http://kizhi.karelia.ru/crafts/en/izgotovlenie-tyosa
> http://kizhi.karelia.ru/crafts/en/okorka-
brevna">http://kizhi.karelia.ru/crafts/en/okorka-brevna
> http://kizhi.karelia.ru/crafts/en/pricherchivanie-
brevna">http://kizhi.karelia.ru/crafts/en/pricherchivanie-brevna
> http://kizhi.karelia.ru/crafts/en/izgotovlenie-
lemeha">http://kizhi.karelia.ru/crafts/en/izgotovlenie-lemeha
> http://kizhi.karelia.ru/crafts/en/izgotovlenie-
lemeha">http://kizhi.karelia.ru/crafts/en/izgotovlenie-lemeha (this one you
> can access from
> the one above)

I finally watched these and found the axe work fascinating. I am very 
cautious wielding an axe, as I have so little experience with them, I 
was axe - errr awe struck. But I was also intrigued to see a drill bit I 
hadn't seen before:

at 1:41 in to http://kizhi.karelia.ru/crafts/en/izgotovlenie-
prichelin">http://kizhi.karelia.ru/crafts/en/izgotovlenie-prichelin

It seems like a cross between a spade bit and a center bit, and I'm 
wondering if anyone knows about these, or can offer any insight into 
origin or benefits of this design?

Don