Answer:
A good way to revise this is to really think about how you are writing first you put in radomly that you have a helemet with a spider web design and then later you mention that they are the most effective first they are sentences apart they should be toghther and you need to give examples on how they are the most effective you also say that helmets have cause accident and are dangerous give a deeper explination of that
Step-by-step explanation: