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The playing stone of the sport of curling.

Curling Stone

The playing stone of the sport of curling.

The curling stone, or rock, weighs a maximum of 44 lb (20 kg). It has a maximum allowable circumference of 36 inches (0.9 m). A stone may be a maximum of 4.5 inches (11.43 cm) in height not including the handle. The handle is attached to the stone by means of a bolt, which runs vertically through a hole in the center of the stone. The handle allows the rock to be gripped and rotated upon release

Curling Stone

The curling stone, or rock, weighs a maximum of 44 lb (20 kg). It has a maximum allowable circumference…