the.com/rollers
Cylinders that conquer by refusing to lift their feet — they just keep going.
means Rotating cylindrical objects used to flatten, move, curl, paint, or crush whatever lies beneath them.
from From Old English rollian, via the simple poetry of something that rolls — the noun caught up with the verb sometime in the 1500s.
Hair curlersHeat or tension coil straight strands into bounce.
Big wavesSurfers call long ocean swells rollers too.
Road workSteamrollers compact asphalt under crushing tonnage.
SlangHigh rollers gamble big; low rollers do not.