Also (and I have said this before on this forum) if you are doing a transfer by pushing the beer from the carboy to the keg using CO2, please be very careful not to over pressurize the carboy. This is extremely dangerous. If you are using CO2, no more than 2.5 PSI on the carboy, it will take you a little longer, but it is way safer. Glass carboys are not pressure vessels. I had a friend in a local brew club that was rushed to the hospital to get his back stitched up after a carboy exploded while he was transferring a beer and the shrapnel from the explosion nailed him.
A 5 gallon glass carboy slipped out of my hands and i tried to save it.. didn't save it. It exploded all over the ground and I lost 5 gallons of awesome beer!
I looked down, and my hand was completely filleted open. There was a three-inch long, 1-inch deep gash through my thumb muscle. It looked like the eye of Sauron, just big and gaping. Put it this way, the ER doc was able to stick his entire finger in the wound to fish for any glass in there. At first it didn't bleed, then it did - a lot! My lady, badaged me up with 3 layers of dressing and we went to the ER where I got three layers of stitches. The first two layers pulled the muscle back together, and the last layer stitched the skin back together.
The doctor said if it were 2 inches lower, that would have been my wrist and that 1/4 thick glass didn't care what media was presented to it, it was going through anything.
Since it was filled with 5 gallons of beer, the blast radius was about 6 feet in all directions. I had two 8 gallon pails that were about 4 feet away and the flying glass punched a hole through one of them. Thousands of little death shards all over the garage to pick up. No more socks or bare feet in there for years now
Overall, no tendons, no ligaments - and the muscle healed completely up - no harm done and I have an awesome scar and story.
I guess the morale of the story is, if you ask me, stick to pails or SS. My mishap happened in an instant and you have no time to think - you just react, kind of like when you trip and catch yourself. Next thing you know is you are filleted like a premium steak... not worth it!