they break the ground up for easier excavating ,
//// they can also do a near fatal number on a cows ribs ,// not to hi jac thread, but i got a story ////the cow survived ,, she was a brahma momma that we called the HEMONIE!,, Me and the boys and were culling calves in the old corral and backed the 430 case with box blade in a corner that needed shoring up , had the scarifier teeth mounted upside down as a scare tactic,, that HEMONI maniac jumped thru rite there , and bellered as the spear went intoher belly ,,and i heard her ribs crack as she struggled to get free ,, i lowered the box blade slowly , and that silly cow wiggled free and jumped off the contraption , and walked out of her pridicament,,she was not bleeding much but clearly she was stabbed and was not well ,the boys and i were certain it was a fatal wound ,,i went in to call a friend to help me butcher the cow ,the hEMONIE was now in the deepest part of pond nearly totally submerged exceptfor her head ,,after 5 minuts watching she came to more shallow water ,, at which time our minature JAK RUSSEL startin givin it the awful fuss to force it fromthe water ,,which she did , when she got on the bank she snorted and caughed up blood and water ,,then went up to the barn slowly,, we got her in the headgate easily and gave her 50 ccof penicillan and 30ccs of tylon200 ,, turned her loose and the next day that HEMONIE Brama was her normal ornery self