Great concept for a rookie 62 yr old hunter however I’ve had more issues than I thought would happen. First, the prusic knot is useless after the first use. After 6 uses I removed it and bought an ascender for both lineman’s and tether. Second, it takes two hands to move the strap up the tree. Or you have to walk it up the tree. It is taking forever. Third, using the tether around limbs is extremely awkward. You have to move it high for the lineman’s and low for the tether going over the branch making it hard for both. I’ve tried different techniques and I’m now carrying a 3rd lineman’s to use for tether. This means more weight to carry making the included tether useless. Fourth, the ropes don’t move within the strap without manhandling the rope and it just wears me out. Did the, it’s horribly expensive when I have bought carabiners, a third rope, 2 ascenders and I leave the included tether in the strap. That’s $300 that I could have used two ropes, 2 ascenders and half the carabiners than using the slapstrap. I’ve watched YouTube videos to get hints however every video is shown at ground level and no one goes up the tree. I challenge HSS to post a video showing a hunter NOT a salesperson going 20ft up a tree with limbs to set a stand or saddle. If so I’ll post my 7 videos showing my use trying to get up a tree, they are quite funny unless your the one one the tree. I’ll keep working the problem but 2 weeks out of hunting season I’ll ditch it and go to two ropes and bag system.