I suppose this can not be too much a yes/no system as any instruction can be kind of followed badly enough.
Clear metrics for standard esk8 requirements… which are x abrasion, crush, flex, vibration.
I suppose this can not be too much a yes/no system as any instruction can be kind of followed badly enough.
Clear metrics for standard esk8 requirements… which are x abrasion, crush, flex, vibration.