I actually met Mark Polk at Gettysburg KOA this summer.
Awesome guy, BTW, and very knowledgeable about an array of camping issues.
I did save his link to the Herkbrary for future reference.
A great add, but I caution everyone about throwing a live grenade into a room just to see who jumps on it.
Lou and Laura with Bella - German Short Hair Pointer
2008 GMC Sierra 2500HD Crewcab SB Allison Duramax
2010 Flagstaff 8526RLWS - Superglide 3300
HAM CALLSIGN - KC3FFW