να και κάποιος με συλλογή υλικών.Ρίξτε μια ματιά εδώ: http://storrick.cnchost.com/VerticalDev ... lance.html
κι εδώ: http://storrick.cnchost.com/VerticalDev ... Home.shtml
Όπως λέει:
Long, long ago I developed an interest in rappelling and ascending devices. At that time, I made the decision to collect one of each device so that I could compare how well they worked. Little did I know what I was getting myself into. I've spend a fair amount of time and money collecting things that really have no real monetary value, and have decided to show some of what I have here
Είναι απίστευτος!