Readers of this post, need to know this disclaimer. Many of the practices you encounter during this post pose some chance. Be cautious when crawling in an attic or crawl space with sharp instruments. Be wary of any spiders, rodents or another creatures which might be lurking in these areas. When there is any concern of protection, then connect with an experienced and allow them do the function in your case. You can find always chance when dealing with instruments in particular if you're unfamiliar with their dangers.