How did John and Molly solve their snail problem in the Biggest little Farm?

Employers are required to provide guardrail, safety net, or personal fall protection systems to protect workers from falling off unprotected sides/edges of residential roofs that are feet or more above a lower level.

What is one way that vance might have been able to prevent this injury?

What do you do if you fall over and bend your big toe all the way forwards?