What are these?

[bmwpower]

Figured someone smart on here would know what they are.

 

[Spareparts]

Look like log dogs from a saw mill

 

[steaks&anvils]

hippster big dollar industrial look table legs?

 

[The Cobbler]

some sort of a clamp that moves on the rack to adjust , Im with the log dog

 

[larry_g]

You can see them in the above vid. They position the log on the carriage for cutting boards to a specific dimension.

lg
no neat sig line