OSRS BONECRUSHER GUIDE YouTube Do you play Old School RuneScape? If so, you might be interested in the bone smasher! The Old School RuneScape bone crusher provides a strong way to get rid of skeletal remains during your training sessions. It crushes bones to fine dust, saving inventory space. Using the Old School RuneScape skeletal smasher, you can easily pulverize bones and gain prayer XP!