Red Creek Riller: +5C / -5C Christmas Tree Recommended Ultra-fine steel is great for

Ultra-fine steel is great for opening structure as deep as the microscopic level after scraping

-3°C to -15°C

but the brass is still more fine than other brand's options for brass brushes

with the 10 cm Roto Handle as well

Red Creek Riller: +5C / -5C Christmas Tree Recommended Ultra-fine steel is great forRed Creek Rill Tools (aka structure tools) offer the widest variety of rill patterns on the market. The 5C 5C Christmas Tree Cut is great for wet humid, fine grained old snow, also man made snow. Try combining with linear structures. For a warmer temperature, apply more pressure on the tool for deeper structure. For colder temperatures, use less pressure with more passes if desired. The differing patterns of rill allow techs to tune the structure