I respect that different climbers use different setups for their saw attachments etc.
That said, I have witnessed many climbers get into trouble when their long chainsaw lanyards get hung up on branches and whatnot in tight quarters, and have even seen the saw get inadvertently ripped out of their hands after zip cuts come down in close enough proximity to them to snag their long leashes.
I myself use the old school rope clips very tightly tied to the mickey mouse wire attachment ring of my ms200t's, I bind the two together with starter cord with many many loops as tightly as possible, and then to stiffen the attachment, I bind all three wire, cord and rope clip eye with wraps of duct tape for maximum stiffness, so that the total length from saw to end of rope clip is about 5 inches.
This method of attachment allows me to reverse the saw in my hands so that my left hand pinkie finger controls the throttle trigger, while my right hand has the rope clip assembly in it's grasp, allowing me to achieve maximum leverage when I'm chunking down moderate sized vertical log sections. It effectively gives me an additional handle for added saw control in various cutting scenarios.
Other advantages though not necessarily unique, are being able to clip your saw to the saddle with one hand, and attaching your saw in the tree itself via the starter rope and handle recoil mechanism, for those dicey situations when your tie in is beneath you, and you venture into the danger zone with your trusty handsaw in an effort to reduce brush weight before subjecting the branch or top to the full weight of both you and your climbsaw.
Each climber is different, and wise climbers adopt the best methods that work safely and effectively for them individually.
Did I mention it works well for quickly lowering or raising your saw on the tail of your climbing line, so the saw hangs nice and vertical?
Work Safe
jomoco