NFL Football Cleats

1. grip

1.1. does the shape of the spike have an impact on the grip of the cleat

1.2. how big or the size of the spike have to be to grip the ground better

1.3. could plastic spike grip the ground better

1.4. could metal cleat grip the ground better

2. lightness

2.1. what material is the lightest and strongest

2.2. how flexible is leather

3. how could this help you in the future

4. what type of cleats are u trying to make better

5. flexability

5.1. what kind of material more flexible than other?

6. speed

6.1. does the lightness of the cleat have in impact on speed?

6.2. does the shape and size of the spike have an impact on speed