coarse stuff

coarse stuff

A mixture of lime putty, hair, and sand; used as a base-coat plaster.
References in classic literature ?
First, you have to buy the powder, you know; it mustn't be wet, and it mustn't be that coarse stuff that they load cannons with--it must be pistol powder.
Waste material is put into a grinder on the factory floor and the coarse stuff left over is sucked through a pipe into the furnace where it is burnt, generating thermal energy.
The coarse stuff is fine between shrubs but will only choke smaller herbaceous plants.
That way you remove much less grass each time, which makes the job easier, and the low-growing grasses will thrive while many of the taller, coarse stuff will die off.