sentences:  A hard rubber brake attached to the heel of the frame allows the skater to stop by lifting the toes of the skate, forcing the brake onto the ground.Learning how to use the heel brake is very important for beginners, as it is the easiest way to stop in emergencies and to control speed on downhills.Also, with practise, beginners realise if the heel brakes are better placed for them on the left/right foot.