After doing a quick search on Bluelight, I couldn't find a thread that addressed this specific question. Since there are some many different options out there, I was wondering what users have found to be their 'favorite' tourniquet or tie-off? The mega-IV threads all seem to agree that, optimally, once a vein was successfully hit that the tourniquet should be released before injecting the shot. This seems to be difficult when one person alone is trying to do this for themselves. So, what's your favorite and why?