2 adjectives to describe pestle

In spring the contrast between the greens of the crops and the silver grey of the olives is vivid and gladsome; in September, one may see the grapes being picked and piled into the barrels, immediately below, and hear the squdge as the wooden pestle is driven into the purple mass and the juice gushes out.

Not to detail too minutely the events of a performance which since that time has become sufficiently familiar, I may say that he carried out his programme with dreadful exactness, and, after appearing to burn the handkerchief to ashes and mix up a quantity of eggs and flour in the hat, proceeded very coolly to smash the works of my watch beneath his ponderous pestle.

2 adjectives to describe  pestle