Head protection devices, namely, protective liners, protective headbands, protective skull caps, head guards for boxing, cycling, biking, motorcycling, bicycle motorcross (BMX), freestyle motorcross (FMX), football, soccer, basketball, inline skating, hockey, ice hockey, ice skating, fastball, hardball, softball, baseball, tee ball, skiing, snowboarding, snowmobiling, sledding, bobsledding, stock car auto racing, drag racing, open-wheel auto racing, equestrian, horseback riding, polo, spelunk...