Injuries can get pretty serious...
I'd say thats about as serious as it gets...
Not to add fuel to the fire,, but I'm a DIY'er and I have a little plumbing experience with drain cleaning experience.. I purchased a 1/2" cable auger years ago and have had good luck cleaning the tree root-ed drains out yearly.
I've had the cable wrap around my arm before and pull out several hairs as well as leave bloody "pinch" marks for about a week.. It doesn't feel good at all.. I am very fortunate that's all I've ever gotten...
My "adolescent" advice is to leave this to the pro's.. I can't imagine what a 3/4" would do to a person..
There is a machine that uses 1/2" cable that is made to clear roots in 3" to 6" lines. Its the Magnum .55 cable that a Spartan 300 uses in place of the 5/8 cable.
Now as for standard 1/2" cable like the stuff used in a Spartan 100 the longest length is 75' and it can do 4" drains. But is not the best choice for a root blockage, it can easily kink up on itself in inexperienced hands.
I never would of thought something like that could happen..
I have had to replace the cable of few times because it gets bent up pretty bad.
I have to clean my drains out twice a year. I had and have trees surrounding my house. That's why i purchased the auger, rather than pay someone to come in and do it twice a year.. I've been told that they used that old clay tile stuff underneath my house, and that its breaking up and cracking.. Any suggestions?
The house would have to be very old, possibly dating to the 1940's or before to have clay pipes under the floors. Metal pipes were scarce and expensive during the war years. If you have them you either live with them or replace them, there are no other "feasible" options.
I have on 2 occassions rented a big machine. The second time it wrapped around my arm, scaring the hell out of me. Not me, not any more.
not a licensed plumber