sentences:  The stick blade may be flat or curved to assist in playing the puck, depending on personal preference and stick handling style; a flat blade is generally better for stopping the puck, while a more curved blade allows for easier "lifting" of shots off the blade to the forwards/center.The shaft of the stick blade may be slightly curved to assist in picking it up off the ice when dropped.Youth and college hockey players are required to wear a mask made from metal wire or transparent plastic attached to their helmet that protects their face during play.