SRT:
I am still ironing out everything... I use a JRB ascender or longhorn agile on the top, and a garde hitch foot loop on the bottom. One of my ropes is really stiff, so I might use my figure 8 in canyon mode and attach my garde hitch to that. The easiest way to climb so far has been to attach a lineman belt to the bridge loops instead of the lineman's loop. I will also attach the tether to the bridge loops and then to the garde hitch foot loop. If I use the attached JX3 webbing bridge, each move is shortened by a few inches. Once at height I will switch over to my jx3 webbing bridge onto my climbing/rappel rope. To descend, I use as figure eight in canyon mode that is backed up above the device with the jrb ascender/longhorn agile hitch.