Comments from 2012 NSS Convention (MayaCon):
  • "It's the best educational tool for caving I've ever seen." Winnie Miller
Comments from 2011 NSS Convention:

A girl and her helmetCaver comments:
"This is truly excellent." Jerry Elliott

General public comments:
 "The ingenuity, creativity and technical know-how that David used to create this thing just blows me away." Roger


A picture worth a thousand words. Photo by Phil Barnett.