Can't use Rack middlewares

controllersDIR-v1.rb

# controllers/v1.rb

class ApiV1 < Scorched::Controller

  get '/:key' do
    'world'
  end
  
end

curl.sh

$> shotgun test.ru


$> curl http://127.0.0.1:9393/v1/hello

test.rb

require 'scorched'
require 'require_all'
require_rel 'controllers'

# in Gemfile
# gem 'improved-rack-throttle-w-expiry', git: 'git://github.com/Terrestre/improved-rack-throttle-w-expiry.git'
require 'rack/throttle'


class Test < Scorched::Controller

  map pattern: '/v1', target: ApiV1 do
    # Doesnt WORK when set for a certain controller
    # need to wait 3 secs between requests, should store the count as throttle in Redis
    use Rack::Throttle::Interval, :cache => Redis.new, :key_prefix => :throttle, :min => 3.0
  end
end

test.ru

#!/usr/bin/env ruby

require './test'

# Only WORKS if I set it here
# use Rack::Throttle::Interval, :cache => Redis.new, :key_prefix => :throttle, :min => 3.0

run Test