gistfile1.txt

class B
  private
  def zot()
    puts "I'm B"
  end
end

class D < B
  private
  def zot()
    puts "I'm D"
  end
end

d = D.new

dzot = D.instance_method(:zot)
bzot = B.instance_method(:zot)

dzot.bind(d).call
bzot.bind(d).call