Stainless Claws

       "type" : "mutation",
       "id" : "CLAWS_ST",
       "name" : "Stainless Claws",
       "points" : 6,
       "visibility" : 3,
       "ugliness" : 5,
       "valid" : false,
       "purifiable" : false,
       "description" : "Your paws are bone, muscle, and claw with a thin layer of skin and fur.  They might as well be made of stainless steel.",
       "prereqs" : ["CLAWS_RAT"],
       "prereqs2" : ["PAWS"],
       "threshreq" : ["THRESH_RAT"],
       "cancels" : ["TALONS", "CLAWS_RETRACT"],
       "category" : ["MUTCAT_RAT"]