when it comes to the thing in shed b they are of one mind , all of them , and sometimes curtis thinks it calls even to those who have transferred out of d or quit the psp altogether for some other , safer job ; he thinks sometimes that it has marked them all like the amish in their black clothes and black buggies are marked , or the way the priest dirties your forehead on ash wednesday , or like roadgang convicts linked together and digging a ditch of endless length .