I received several texts today asking a lot of questions on these Treesuits. Hope I answered everyone ok. Just a few comments on these I have, first off they are unaltered in any way, all original. I call them the second generation ones that he made, they are rope and straps as opposed to rope and rope and they are in excellent condition.
Also, No you do not need an extra linemans belt, or second safety harness of any kind, like a sit drag would. it's all part of the suit. There is no bridge or tether it has a different type of attachment to the tree You are actually attached to the tree with the strap at about chest level.
"In my opinion".... con - if you are a ring of steps type of hunter you would be at a disadvantage because you have to slide the strap with both hands around the tree as you would go, so your bow is not in your hand, and there is too much noise for me. If you are a platform hunter ( I use an assassin) then you don't need to slide the strap so your ok. I tend to turn around on the platform for my off side and behind shots. Pro - to me as comfortable as a Guido's Web (minus the weight and bulk) for long sits. Also it is kind of nice not to have a tether hanging down in front of your face to negotiate your bow around.
Having said that, There is a learning curve, just like all saddle hunting. You need to spend time in the saddle of your choice. Keep at it, don't give up.