Climber is the way to go. I've been using one since I started hunting when I was about 15 or 16. I usually try to get up to about 25' if possible. I've had a couple of those minor slips where you tense up real quick. Hell I've had the bottom fall all the way down to the ground when I was about 20' up. I was hanging there on the top piece. I was borrowing a climber before I bought my own and they didn't have the 2 pieces tied together. That was a quick descent!!!