the.com/rosin
crystallized tree blood that grips violin strings and saves a pitcher's slipping fingers
sourcehardened resin left after distilling turpentine from pine
baseball legalpitchers may use a rosin bag, batters too
violin gripbow hair without it slides silently, no sound
gymnast handschalked rivals, used to lock grip on bars
soldering trickflux cores in solder are often pine rosin