To guarantee that the helmet is securely fastened and will not be thrown off your head during an accident, which guideline should you follow when adjusting the chinstrap?
A)The "Two-Finger Rule" (ensure no more than a two-finger gap exists between the strap and your throat).Correct
B)The "One-Finger Rule" (the strap must be tightened until only a single finger can snugly fit underneath).
C)The strap must be completely flush against the throat with zero gap allowed.
The text highlights the "Two-Finger Rule" as the benchmark for proper chin-strap discipline, ensuring the helmet remains firmly anchored during a dynamic impact sequence.