On some roofing hammers, the claw is sharpened to some extent to ensure that it may be used to chop shingles to size. Other roofing hatchets have an edge for a similar function. Physical Protection: Address all skylights and openings with guardrails, rigid screens, or cages effective at supporting body https://americasgeneralcontracting.com/why-is-a-shingling-hammer-ideal-for-roofing-work/